— I can’t find my dictionary anywhere.— You _____ have lost it while studying in the library.
#87711
A
can
B
may
C
would
D
should
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It has been announced that candidates ______ remain in their seats until all the papers have been collected.
#90070
A
can
B
will
C
may
D
shall
----Carol Walker didn’t turn up last time ,did she ? ----No .She _______.We had changed our plan .
#89827
A
shouldn’t have come
B
needn’t have to come
C
didn’t need to come
D
needn’t have come
—Are you content with her lecture? —Nowhere near that. It ____.
#89196
A
may have been good
B
couldn’t have been worse
C
can’t be better
D
must be better
—You didn't wait for Mr. Smith last night, did you?—Yes, but we ________. He didn't return home at all.
#87275
A
don't have to
B
needn't have
C
didn't need to
D
should have
—Did you call to book a ticket for the concert ?—Not yet, but I _______ .
#88011
A
should have
B
may
C
ought to
D
shall