It has been announced that candidates _____ remain in their seats until all the papers have been collected.
A. can B. will C. may D. shall
Harry has been reading all day —he ______ be tired.
A. should B. has got to C. has to D. must
--______ he use your bike?
--Certainly. Here is the key.
A. Shall B. Must C. Will D. Does
--______ I go home now, sir?www.7caiedu.cn
--No, you ______. You should finish the composition first.www.7caiedu.cn
A. Might; wouldn’t B. May; had better notwww.7caiedu.cn
C. Must; mustn’t D. Need; mustn’t
Bobby ______ me your secret, but he meant no harm.
A. shouldn’t have told B. should tell C. mustn’t have told D. could tell
I ______ her, but I never could.
A. ought to help B. must help C. must have helped D. ought to have helped
