--- The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?---____ my students have a try?
#62974
A
Shall
B
Must
C
Will
D
May
推荐题目
It was very kind of you to do the washing-up but you _____ it
#62541
A
needn’t do
B
shouldn’t do
C
mustn’t have done
D
needn’t have done
— May I smoke here?— No, you ______ . This is a no-smoking room.
#75754
A
needn’t
B
mustn’t
C
couldn’t
D
wouldn’t
--- What ____ have happened to Kevin? --- He might have run into some trouble.
#62710
A
could
B
must
C
would
D
might