—What were you doing at 8:00 last Sunday?—I ______ rubbish with my classmates by Zijiang River.A.picked upB.am picking upC.was picking up
— What does your English teacher look like?— She’s tall and thin ________ long hair.
Mr Wang does what he can ________ us improve our English.
I want to know ________ he will be the volunteer in the 2011 Universiade (世界大学生运动会) in Shenzhen.
Many trees and flowers ________ in our city every year.
The basketball ________ I bought yesterday cost me 80 yuan.