--- Will it be sunny this afternoon?
--- It _______ fine. Who knows? The weather (天气) always changes quickly.
A.must be | B.will be | C.may be | D.maybe |
—Look! The boy in the white shirt ___be Tom.
--It ____be him. I saw him enter the library just now.
A.must; can’t | B.must; mustn’t |
C.may; shouldn’t | D.may; mustn’t |
Students should do everything they can __their study.
A.improve | B.to improve |
C.improving | D.improved |
If you are a little careful, I think you can _____the problem.
A.get over | B.get in | C.get on | D.get off |
Joan writes ____than she did 2 years ago.
A.much more careful | B.more careful |
C.much carefully | D.more carefully |
—The pollution problem here seems to get more and more serious.
--Yes. Something_____about it.
A.must do | B.must be done |
C.is doing | D.had been done |