——Hi, Mike．Any idea where Mary is? ——She ____ in the classroom．I saw her there just now.
#89129
A
shall be
B
should have been
C
must be
D
might have been
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We were delayed at the airport．Otherwise，we here by lunch．
#86444
A
must have been
B
could be
C
should be
D
would have been
.—She must have gone back to the valley. —No, she_________. The entrance to it was nowhere to be found.
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A
mustn’t
B
needn’t
C
couldn’t
D
may not
He ______ you more help even though he was very busy.
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A
might have given
B
might give
C
may have given
D
may give
---What did Kincaid say just now? ---He said he ________ a dog if he hadn’t been away from home too much.
#86679
A
had had
B
had
C
would have
D
would have had