当你问别人正在干什么时,应说: A、What do you do ?B、What are you do ? C、What are you doing ?
These clothes ____ only $10. They still have $20 _____. A. cost, to spend B. spend, to cost
---Oh, no! The printer was ________. ---Don’t worry. You didn’t _______ it. Check again. A. break, broken B. broken, break
I’ll meet you _____ _____ hour. A. on a B. in an
Remember you shouldn’t play computer games ________ doing your homework. A. before B. after
A paer you !A.to B.for C.on