On 3rd week of 6th unit from 9/13 to 9/19, Alvin organized meetings, meanwhile Mathew, Fiona, Sarena and Erin joined as presenters. Lesson 9 had been taught by Mathew on 9/13, Lesson 10 had been taught by Fiona on 9/14, Lesson 11 had been taught by Sarena on 9/16, Lesson 12 had been taught by Erin on 9/18.
Reported by Alvin Zhou
