_____you go, ____you do in your school, You must obey the rules.
Guangzhou is bigger than _____________ in Jiangsu.
There ___________ a talk show on CCTV-4 this evening.
The songs of SHE sound _______.Their CDs sell__________.
My father was reading a newspaper while my mother ______dinner.
--How many students are there in the classroom? --___________.