--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
________ is fun. I like ________.
It’s 9:00 now. It is time for us _____ sports.
--- Excuse me, what is on the wall of the classroom? --- Oh, ______ a blackboard , two doors and five windows.
I love my new school because the teachers ________ very kind to me.
---Shall we go shopping? ---Good idea! But the supermarket _______ now.