--Are you going to buy a new camera?--Yes. But there are so many cameras that I can't decide__A. how to use B. where to sell C. which to buy
My parents usually take a walk ______ dinner to keep healthy.
I’m expecting a digital camera for long, but dad has no time to buy ______ for me.
---Who is ______ teacher in the white T-shirt? ---Oh, that is my English teacher, Peter.
Mr. Zhang enjoys ___________ the piano, and he practises ________ it every day.
This year our school is __________ than it was last year.