Documents Section A 4a-4c Unit6 When was it invented ?. Check the homework 3b. 1. Who is called “the saint.....

Slide 1 Section A 4a-4c Unit6 When was it invented ? Slide 2 Check the homework 3b. 1. Who is called “the saint of tea”? 2. What is Cha Jing about? 3. When was tea brought…