3rd Secondary 1

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1 Mr. Ragheb Bahi fahemnishokran.blogspot.com

Activity نشاط Medical test ًاختبار طب Aero plane = airplane طائرة Metal bar ًقضٌب معدن

Air conditioning تكٌٌف Minerals مواد معدنٌة

Anniversary ذكري سنوٌة Modern technology تكنولوجيا حديثة Arrangements ترتٌبات Muscle atrophy ضمور عضالت

A spaceship سفٌنة فضاء Nausea غثٌان

Astronaut رائد فضاء Non-governmental ًغٌر حكوم

Available متوفر –متاح Object شًء

Benefit ٌستفٌد -ٌفٌد Opponent منافس -خصم

Blood cells خالٌا الدم Orbit = move around ٌدور

Certainly بالتأكٌد Organization منظمة

Climate change ًتغٌر مناخ Password كلمة سر

Communications اتصاالت Perform ٌنجز –ٌنفذ

Compare ٌقارن Petrol tank تانك بنزٌن

Comparison مقارنة Physical exercises تدريبات بدنية Connect ٌتصل Probably ن المحتملم

Control system نظام تحكم Questionnaire استفتاء

currently حالٌا Repair = mend - fix ٌصلح

Date ٌؤرخ -تارٌخ Repeat ٌكرر

Describe ٌصف Repetition تكرار

description وصف Replacement استبدال

Deterioration تدهور Representative لممث -مندوب

Distance بعد -مسافة Result نتٌجه

Dizziness دوخة Rocket صاروخ

Dizzy داٌخ -مشوش Satellite ًقمر صناع

Education تعلٌم Secret سر

e-learning ًتعلم الكترون Security امن

Equipment اجهزة-معدات Side effects اثار جانبٌة

Examine ٌفحص Skeleton ظمً هٌكل ع

Experts خبراء Space exploration استكشاف الفضاء

Flourish تزدهر space station محطة فضاء

Fuel pump مضخة وقود Space walk المشً فً الفضاء

Giant عمالق Spin ٌدور

Global warming حمو االرض Spokes اسالك عجالت

Gravity جاذبٌة ارضٌة Supporter داعم-مساند



Gymnastics جمباز-جمانزٌوم Surgery جراحة

Happen = occur ٌحدث System نظام

Height ارتفاع Take off تقلع

Horizons افاق Temperature درجة حرارة

Horrible فظٌع The immune system جهاز مناعه

Human rights حقوق االنسان Transport النقل

Improve ٌحسن Vomiting التقٌأ

Keep fit ٌحافظ علً اللٌاقة War victims ضحاٌا حرب

Land ترسو -تهبط waste of money ضٌاع مال

Launch ٌنطلق -ٌطلق waste of time ضٌاع وقت

Leak ٌتسرب Weakness ضعف

Lethargy الكسل Weightless# weighty منعدم وزن

Location موقع Weightlessness انعدام الوزن

magical سحري With regard to فٌما ٌتعلق ب-

Main ًرئٌس Worn out مرهق

Currently ًفً الوقت الحال

At the present time.

Distance مسافة

The length of space between two places or things.

Gravity رةخطو –جاذبٌة The force that makes objects fall to the ground or that pulls objects towards

a planet or other body. When something is very serious. خطورة

Gymnastics جمباز –جمانٌزٌوم

A sport in which physical exercises and movements are performed.

Spin ٌدور -ٌلف

Turn round and round very quickly.

Spoke سلك عجلة

A thin metal which connects the ring around the outside of a wheel to its centre.

Weightless عدٌم الوزن

Not apparently acted by gravity.

Examine صٌفح

Look at something or someone very carefully, especially to try to discover something.



Launch ٌطلق

To send a spacecraft or bomb into the sky or a ship into the water.

Leak تسرب

A hole in something that a liquid or gas comes out of , or the liquid or gas that comes out

Leak Mission مهمة

An important job, usually travelling somewhere.

Secret سر

Something you tell no body about or only a few people

System منظومة-طريقة–نظام

A way or method of doing things.

Prepositions Look forward to ًٌتطلع ال look down on ٌنظر من اعلً السفل

need to ٌحتاج ان go for walk ًٌذهب للمش

depend on ًٌعتمد عل think of ًبفكر ف

talk to إلً ٌتحدث Want to ٌرٌد ان

Walk on ًٌمشً عل Fly by ٌطٌر ب

At a height of علً ارتفاع Take off ٌخلع )مالبس(–تقلع

Suffer from ٌعانً من Above the Earth فوق االرض

Queue up ٌقف طابور–ٌصطف Land on ًٌهبط عل

Benefit from ٌستفٌد من Spend money on ًٌصرف مال عل

Do a space walk ٌمشً فً الفضاء Have fun with ًٌجد متعة ف

Do weightless sports ٌلعب رٌاضات انعدام الوزن Break down ٌتعطل

…..

Current (n.) كهرباء( -هواء-تٌار )ماء Current (adj. ) جاري -حالً We can feel a current of cold air. The current boss gives me more freedom. The factory currently employs 750 people. Current account حساب جاري current affairs احداث جارية Distance (n.) بعد -مسافة Distance (v.) ٌبريء –ٌبعد distant (adj.) بعٌد

He calculated the distance between the earth and the sun. I could see Mary in the distance. He has tried to distance himself from her. We hope to see you in the not too distant future.



gravity خطورة -ارضية جاذبية attraction جاذبية-منطقة جذب We study laws of gravity in physics. You don’t seem to realize the gravity of the situation. Egypt is famous for its wonderful tourist attractions.

spin (v.) يجدل –يبرم -يلف spin (n.) نظرة او رؤية -لفه–رحلة بالسيارة span (n.) فترةزمنية-مسافة The car spun across the road. She spun round to see what had happened. The report puts a different spin on the issue. Why don’t you take it for a spin and see what you think? The average life span in Egypt is seventy years now.

Speak (v.) spoke-spoken spokesman متحدث رسمي spokeswoman متحدثة رسمية a spokesman for the company refused to comment on the reports.

Examine (v.) يفحص She picked up the knife and examined it.

Examine ختبرب You will be examined next week .

Examine يفكر-يناقش They will examine the proposal tomorrow.

Launch send يرسل begin an activity نشاط-ٌبدأ مشروع ٌطرح فً االسواق

Israel launched a spying satellite yesterday. American will launch an attack on Taliban forces. The book was launched yesterday. Leak (v.) سر( -غاز-يتسرب )ماء Leakage (n.) مشكلة تسرب Leaky (adj.) به تسرب The bottle must have leaked as the bag is all wet. Details of the report must have been leaked to the press. Water companies have been told to reduce leakage. The roof of the house is leaky. Mission (n.) Missionary ًمبشر بالدٌن المسٌح An important job عمل –مهمة An important journey رحلة هامه

An official group وفد رسمي Purpose / duty غرض –هدف I will be going on a fact finding mission to Paris next week. The government sent a trade mission to USA. The military forces went on a mission to Darfor. His mission in life is to help the poor. secret (adj.) سري Secretly (adv) .سرا secret agent عميل سري For years they met in secret. Can you keep a secret? What is the secret of Mr. Mohammed's success? Top secret سري للغاٌة secret service = information المخابرات system (n.) method طريقة equipment اجهزة body جسم The public transport system needs a lot of repairs. They have had an alarm system installed at their house. He has a good body immune system.



Apply for ٌتقدم لوظٌفه apply to جامعة-ٌتقدم لاللتحاق بالجٌش application (n.) تقدم لوظٌفه

I have applied for a job. He applied for three companies. ( affect ) The law only applies to married people.

The + (Comparative adj)…. , (the comparative adj.)…… The more you work , the more money you get. the harder you study , the better grade you will get. It's a waste of time / It's a waste of money + V. + ing: It's a waste of time watching this boring film. Repair (v.) يصلح شيء به تلف Reform (v.) يدخل تعديالت علي الشيء We have repaired our old house. The political system needs to be reformed.

1- Respond to each of the following situations :

1-You’ve arranged to have lunch with your brother tomorrow. 2-Someone asks you what you plan to do after school. You intend to go to the library. 3-A tourist asks you about the next train to Luxor. Tell him there is one at 10 o'clock. 4-You look at the sky and predict the weather of tomorrow.

2- Mention the place , the speakers and the language each of the following two min-dialogues :

1-A: On which Platform is the train to Aswan? B: Platform No 5 A: Can you carry my bags to the platform, please?

B: With pleasure, sir

2- A: How do you like this T-shirt? B: It's lovely but I'd rather have it in white. A: Red is in fashion now? B: But I can't stand it. A: All right. I'll bring you a white one.

3-Choose the correct answer from a , b , c or d :

Listening Ex l 1. Could you start by telling the listeners what you… …… this week?

a- will do b- do c- have done d- are doing 2. Tomorrow afternoon, I ………. with two other astronauts to a secret location.

a- am travelling b- will travel c- can travel d- travel 3. The launch ………… at 7.50 the next evening.

a- is to be b- will be c- is going to be d- is 4. We have to repair equipment ……….. the international Space Station

a- in b- on c- at d- for



The main problem is the temperature control system. We think there may be ……………… of some kind a- a lack b- leaky c- a leak d- a lock

5. We’ll almost certainly need to spend some time …………… outside. a- working b- work c- to work d- to working

6. We won’t know ………… sure until we’re there . a- with b- by c- to d- for

7. We’ll probably be there ………….. about five or six days a- in b- since c- for d- at

SSS...BBB EEEXXXEEERRRCCCIIISSSEEE 8. July 2002 was the 40th ………………………. of the Egyptian revolution.

a- university b- anniversary c- memorial d- universe 9. A representative for the World Tourism Organisation predicts that, in the next

ten years, people ………… to book their holidays in space. a- are queuing b- are going to queue c- will be queuing d- queue

10. The space station will be orbiting the Earth ……….320 kilometers a- at a height of b- at speed of c- at length of d- at width of

11. The space station will be like a giant …………….wheel with spokes like a bike wheel.

a- cycling b- recycling c- spinning d- turning 12. Some people are worried that space tourists will suffer from the same

horrible………………….. as astronauts have suffered from. a- full effects b- bad effects c- side effects d- wide effects

13. Experts say that there are now ……………for most side effects. a- medical b- treating c- treats d- treatments

14. It will be impossible to go …………. or go for walk. a- shopping b- to shop c- shop d- shipping

15. The more people want to do something, …………… it will become. a- cheap b- cheapest c- cheaper d- the cheaper

16. Rockets will be used to …………………….. the earth. a- sail b- orbit c- move d- go

17. ………….. is the force that makes things fall to the ground when they are dropped. a- Graveyard b- Gravity c- Grave d- Graphics

18. A person trained to travel in a spacecraft is called a/an………… a- traveller b- scientist c- astronaut d- geologist

19. If his real identity ever……………….. out, his life will be in great danger a- bakes b- takes c- fix d- leaks

20. It's always the poor who suffer most……………………… unemployment. a- of b- from c- at d- in

21. Do you promise not to tell anybody this………………………? a- secret b- carpet c- safe d- pocket



22. You can launch a new ship or a …………… . a- a rocket b- a racket c- a pocket d- a packet

23. Doctors ….patients but mechanics do the same to cars for damage. a- examine b- see c- exam d- examines

24. We called the plumber to repair the …….of the tap. a- lack b- leak c- lock d- look

25. The car stopped because there was a ……..in the petrol tank. a- leak b- lock c- unlock d- lack

26. Our air-conditioning has broken down, but someone is coming to ……………it tomorrow.

a- repairs b- make c- do d- repair 27. The doctor ……..carefully before he gave me the medicine.

a- examine b- examines c- examined d- exam 28. Computer passwords should always be ………….You should never tell anyone.

a- secret b- known c- unknown d- hidden 29. The astronauts went on a two-hour ……….to replace a broken fuel pump.

a- spaceflight b- spacecraft c- spacewalk d- space run 30. Some drivers have a sat-nav…………..in their car to help them find the best

route.

a- system b- process c- set d- apparatus 31. The rocket is going to reach the moon on Tuesday .Every one watched the

…….on TV.

a- lunch b- launch c- larch d- flying 32. Space ……………………..can take several years.

a- missions b- craft c- shuttle d- life 33. The moon has less …………………than the Earth, so you can jump much higher

there.

a- attraction b- gravity c- grave d- pull 34. Doing ………………..is a very good way of keeping fit.

a- swimming b- football c- gymnasium d- gymnastics 35. Two of the …….on the front wheel of my bike were broken in the accident.

a- spokes b- sparks c- spikes d- spices 36. The …………….between Cairo and London is 3500 km.

a- length b- space c- distance d- width 37. When you are ……….in the space. It must be difficult to stand still.

a- weighty b- weightless c- weight lifting d- spin 38. ……………..I'm working for important exams. Then, when I finish, I am going

on holiday.

a- current b- currency c- currant d- currently



More Exercises 39. USA …………………………… a new a space shuttle last week.

a- launched b- lunched c- punched d- attached 40. The investigations were ……………………….. to the press.

a- baked b- cheated c- liked d- leaked 41. This issue is …………………………….being discussed.

a- costly b- currently c- distantly d- tightly 42. This medicine caused harmful ………………… effects.

a- side b- aside c- inside d- outside 43. The moon has one-fifth of the earth …………….. .

a- grave b- gravity c- gape d- acidity 44. There's a problem …… my computer, I will call the service center.

a- of b- at c- for d- with 45. When you are …….. in space, it must be very difficult to stand still.

a- countless b- weightless c- harmless d- endless 46. ……………………are well trained to do space walks.

a- Astronauts b- Accountants c- Astrologers d- Engineers 47. A space station will …………………………… the Earth.

a- turn b- spin c- move d- orbit 48. A lot of people would like to go………………….. space holidays.

a- on b- in c- at d- with 49. The spokes of the space station have ……………… gravity.

a- full b- zero c- maximum d- under 50. There are now………………… for most side effects of space travel.

a- agreements b- amusements c- treatments d- appointments 51. It's still not possible to accurately …………… the occurrence of earthquakes.

a- predict b- defect c- convict d- restrict 52. Everybody is aware of the hazards of smoking……..?

a- isn't he b- doesn't he c- is he d- aren't they 53. I can smell a gas ……………………..in the kitchen.

a- fake b- break c- leak d- lock



future forms

Future simple

المصدر + will + فاعل

-He will come tomorrow. انىفٍ:

انًصــــذس + will not + انفاعم

- He won't come tomorrow. االستفهاو :

ــذسانًصــ + انفاعـــم + will \ shall + االسخفهــاو اداة ? - When will he come?

اسخخذايه . يسخخذو نهخعبيش عٍ شيء سىف يحذد في انًسخمبم

It used to: (1) Future Prediction. - I expect he will stay for dinner. - He will win the first prize. - Our team will win the match - We will probably be there for about five or six days. - We almost certainly need to spend sometime working outside. (2) Future fact. انًسخمبم نهخعبيش عٍ حميمه في

- I’ll be thirty one next year. - Water will boil at 100c.

(3) Quick decision. الحخار لشاس سشيع

"We haven't got any tea." "It's OK. I’ll get some." - What will you do now? - I’ll watch TV. (4) Offer & request

- Will you open the door for me, please? - I'll post the letter for you. - I’ll cook dinner. - I’ll get you something to drink. (5) Arrangement. I’ll see - انتزتُبات نعمم

you on Friday (6) Threat & promise.

I'll buy you a mobile phone if you succeed. I'll resign if I don't get a pay rise.

[tomorrow / next.... / soon / in the future-in 2020 +] انكهًاث انذانت



Be going to

المصدر +am / is / are / going to + فاعل It used to:

(1) a future plan , intention or decision.

-Next month I'm going to buy a new car. -"Why are you turning on the TV?” I’m going to watch the news." - I’m going to study medicine. -we are going to be very careful. (2) a future event which you know it will happen (evidence).

- There are clouds in the sky. It is going to rain. - She is pregnant .She is going to have a baby.

Present continuous

(am, is, are) + v + ing

It used to: a future arrangement and prearranged plans :

"When are you leaving for Rome?" I'm travelling to a secret location tomorrow afternoon. I am flying to London next week. انحزكة أفعال مع َستخدو

PPPrrreeessseeennnttt sssiiimmmpppllleee

Present simple tense is the first conjugation of the verb: I –We –You –Theyيع toوٌ انًضاسع انبسيظ هى انفعم فى انًصذس بذ

I, You, We eat / run / walk / sing (I – We – You – They) work for a well- known Egyptian company.

إسى يفشد ,( it , she , He ) إرا كاٌ انفاعم يفشد غائب (ies( أو )esأو ) Sوَضيف نهفعم

(He – She – It) works for a well- known Egyptian company.

He, She, It eats / runs / walks / sings يع فاعم يفشد غائب esَضيف نهفعم sh / ch / ss / x /oإرا اَخهى انفعم بـ

I, You, We wash / watch / cross / go / mix He, She, It washes / watches / crosses / goes / mixes

iesيسبىق بحشف ساكٍ ححزف وَضيف yإرا اَخهى انفعم بحشف

I, You, We cry / try

He, She, It cries / tries

فمظ sَضيف (a / e/ i / o/ u)يسبىق بحشف يخحشن yإرا اَخهى انفعم بحشف

I, You, We enjoy / play / pray

He, She, It enjoys / plays / prays



Usage االسخخذاو

Facts that are always true. انحمائك

Doctors help sick people. The earth goes round the sun.

Habits / repeated actions. انعاداث واألحذاد انًخكشسة

I go swimming every week. I usually go for a walk on Friday. Situations which are true for a long time. مواقف حقٌقٌة تستمر لفترة طوٌلة

He lives in Luxor. I work as a teacher.

االيخحاَاث( –ث انشحال –انطائشاث –يعبش عٍ احذاد في انًسخمبم طبما نهجذاول انضيُيت يثم يىاعيذ ) انمطاساث

The launch is at 7.50 the next evening. The train leaves at 8 o'clock tomorrow morning.

:هى انًضاسع انبسيظ حأحى فى أول انجًهت أو فى َهايخها انكهًاث دانت ع

every day / every week / every Year / twice a week / twice a month / on Sundays / on Fridays

Shaza goes to the club every Monday .Every Monday Shaza goes to the club.

verb to beحأحى لبم انفعم األصهى وبعذ و حسخخذو ظشوف انخكشاس يع صيٍ انًضاسع انبسيظ

always دائما-usually عادة-often غالبا-sometimes أحٌانا-not often - rarely را ناد - never أبدا

He usually comes late. He is usually late.

Negation انُفي I don't play football on Friday. وضع( don't) بـ َىتهٍقبم انفعم انذي ال(s / es)

He doesn't read any novels. ضع ن( doesn’t) ٌنتهى بـ فعلقبل(s / es) و تحذفs

never إلى sometimes - always - often - usually - occasionallyتحول ☺We always watch films on TV.☺We never watch films on TV.

passive انمضارع انبسُط انمبىً نهمجهىل

انفاعم ) v.to be p.p by يفعىل )

☺Ali eats meat. ☺ Meat is eaten by Ali.

TTThhheee fffuuutttuuurrreee CCCooonnntttiiinnnuuuooouuusss

مبمفي انًسخ يايسخخذو نهخعبيش عٍ حذد سىف يكىٌ يسخًشا في ولج: Examples:

1- I will be driving to Alex at 10 pm tomorrow. 2- They will be studying for the exam between 6 and 12 tomorrow.

Will / shall + be +v –ing



What is the difference? 1- I can't walk at the moment .I am doing my homework. 2- I can't see you this evening. I am doing my homework. He is busy doing his home work at the moment. He has arranged to do homework, so he can’t see you this evening

Expressing opinion with reasons I think / believe… I think/ believe we need a lot of money to

spend on education. In my opinion/view In my opinion/point of view, modern

technology has improved everyone’s lives. If you ask me…… If you ask me, Space exploration is a waste of

money. As far as I'm concerned , As far as I am concerned, football is the most

popular sport around the world.

Agreeing with opinion Disagreeing with opinion I (completely) agree. I (completely) disagree.

I couldn't agree more. Rubbish!

Absolutely That’s not true/right.

Yes, you're quite right. I don't agree,

I'd go along with that. I'm not (so) sure.

That's true. That's (just) not true.

May be you are right. You are right, but …….

You could be right . I know , but……………..

A – I think computers, mobile phones and satellite technology have made people happier.

B –I know, but a lot of people feel sad as they are lonely.

1- Mention the place , the speakers and the language each of the following two min-dialogues : 1- A: Can I get out to walk? B: Yes. But take care. It is wonderful to look down on the Earth that always spins. A : thanks , sir 2- A: What is wrong with you? B: I have a nasty headache. A : how long have you been suffering from it? B : Two days.



S.B Choose the correct answer from a, b ,c or d

1. Hello Ali! I…………to the airport in a minute. a- go b- am going c- will go d- am going to go 2. I…… to Paris later this morning. a- will fly b- am flying c- fly d- will be flying 3. My plane ………..at ten o'clock. a- leave b- leaves c- am leaving d- will leave 4. ………………..anything next Saturday? a- Will you do b- Are you doing c- Do you do d- Have you done 5. Hi! My family ………….. Me out today for passing my exams. a- takes b- are taking c- take d- will take 6. I………..apply to study medicine at Assuit University. a- am going to b- will c- would d- have 7. l ………….in the hospital.

a- am probably working b- will probably work c- am probably going to work d- am probably being

8. Tomorrow I ……….the match with my friend . a- will watch b- am watching c- watching d- am seeing 9. We ……………………a card for my brother at the moment. a- make b- are making c- made d- have made 10. We need your help. ………………………… do it for us? a- Are you going to b- will you c- Do you d- should you 11. Zamalek ……………my team. a- plays b- will play c- play d- are playing 12. The match ……….at six o'clock. a- is starting b- will start c- is going to start d- starts 13. I am sure it ………..an exciting match. a- is going to be b- is c- is being d- will be 14. I …………………my next summer holiday in Australia .I have arranged

every thing. a- will spend b- am spending c- spend d- have spent 15. It is predicted that people …………on space holidays in the next ten

years. a- are going b- are going to go c- will go d- will be going 16. Our team is attacking hard. They …………….a goal.

a- is going to score b- will score c- is scoring d- scores



W.B

Choose the correct answer from a, b ,c or d

17. This year, I am going on holiday with my family to Italy .I am sure you ………it.

a- are enjoying b- will enjoy c- are going to enjoy d- should enjoy 18. Are you leaving this evening? Yes, my train ………..at 7.15. a- is going to leave b- leaves c- will leave d- will be leaving Have you made any arrangements for the next week? Yes, I ……………a friend from Cairo on Monday. a- will meet b- meet c- am meeting d- have worked 19. Do you have any plans for the week end? I ……..professor Afifi on

Saturday morning. a- will meet b- am going to meet c- meet d- will be met 20. I'm going on holiday to Europe this October. Should I take an umbrella?

Yes, it …………. . a- is probably raining b- will probably rain c- probably rains d- probably rain

21. It is arranged .We …………The Red Sea this summer. a- will go b- are going to go c- go d- have gone 22. I think my brother …….a doctor. He is very clever. a-will be b- is going to be c- is being d- would be 23. Are you ……………tennis after school today? a- going to play b- played c- play d- playing 24. My English lesson …………at four o'clock this afternoon. a- finishes b- finish c- will finish d- is going to finish 25. The train ………………tonight at 6 PM. a- leave b- leaves c- left d- is leaving 26. The bus ……………arrive at 11 AM, it arrives at 11 PM. a- don't b- doesn't c- didn't d- never

Correct the mistakes in these sentences: ( Based on Grammar)

1. She intends to visiting her aunt next Friday. 2- As soon as he meet his friend, he will go to the theatre. 3- She won't go shopping when she has dusted the furniture. 4- The shirt is fashionable; I can buy it soon. 5- I would call the police if you don't stop this noise. 6- I think he crashes. He is driving in a crazy way.

Correct the mistakes in these sentences: ( Based on Grammar)

1. He travels to Paris tomorrow. He's got the ticket. 2. Players should play well to win the other teams. 3. I love walk around late at night during the summer. 4. I have decided that I am traveling abroad next week. 5. It is an interesting book. I'm sure you enjoy reading it. 6. The exams will be next month.



Translate into Arabic: Since its inauguration, the Suez Canal has been one of Egypt’s outstanding

geographical, historical and cultural landmarks. With its central location, it links the east to the west .It is considered a major artery of world trade.

Translate into English:

تستخدو االقمار انصىاعُة فٍ انفضاء نالتصاالت و انتىبؤ عه احىال انطقس . -1

ىمات عه انكىاكب و انمجزات االخزٌ فٍ هذا تسعٍ اندول انمتقدمة نغزو انفضاء واقامة محطات فضائُة نجمع انمعه-2 انكىن انفسُح.

Vocabulary Galaxy مجرة Vast فسٌح Invade ٌغزو inauguration افتتاح universe كون outstanding متمٌز -بارز Planets كواكب landmarks معالم

3rd Secondary 1

Documents

space walk

current boss

length of space

system height

people system

ragheb bahi

current of cold air

system questionnaire