But for their common interests, they_____ cooperated so smoothly in the investigation of the case.
#86893
A
could have
B
will not have
C
could not have
D
have not
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— We did not see him at the lecture yesterday． — You _______ him, since I went to an international conference with him．
#87885
A
mustn’t have seen
B
can’t have seen
C
couldn’t see
D
needn’t have seen
.We were all waiting for you .You _____for the seaside by yourself without leaving a message.
#89123
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
At the conference, Premier Li Keqiang urged all the government departments ______ effective measures to improve work efficiency.
#86999
A
took
B
must take
C
take
D
are to take
–When we got to the cinema, the film hadn’t started yet. --So you________.
#87757
A
needn’t hurry
B
didn’t need hurry
C
needn’t have to burry
D
needn’t have hurried
--- Have you told him we have changed the plan?I _____ have, but I haven’t done it yet.
#86932
A
must
B
ought to
C
needn’t
D
can’t