He____know the answer, but I’m not sure.
#76371
A
maybe
B
may be
C
may
D
must
推荐题目
The man in the office ____be Mr. Black because he phoned me from London just now.
#75461
A
mustn’t
B
may not
C
can’t
D
needn’t
--- I saw the Smiths at West Beijing Station this afternoon.--- You __________. They are still on holiday in Hawaii.
#62771
A
mustn't have
B
shouldn't
C
couldn't have
D
needn't
The careless man received a ticket for speeding . He ____ have driven so fast .
#62810
A
shouldn’t
B
wouldn’t
C
can’t
D
mustn’t
Teachers _______ be sensitive to the development level of each student so as to help them better.
#62795
A
need to
B
may
C
are able to
D
can