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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She________the opportunity，but unfortunately she just let it go.
#86619
A
should have taken
B
must have taken
C
needn't have taken
D
can't have taken
After the bell rings, which indicates the ending of the exam, you_____ stay ____ you are until all your papers are collected.
#87746
A
shall, where
B
would, where
C
will, in which
D
can, what
–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
He is talking so much about America as if he _____ there.
#86450
A
has gone
B
has been
C
was
D
had been
He insisted that the book _______ to the school library at once.
#88003
A
return
B
should return
C
be returned
D
would be returned