(2013·四川省都江堰市二模)—Mike, I can't find my watch anywhere.—You ________ it while working out.
#62422
A
may have lost
B
could have lost
C
would have lost
D
should have lost
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-----Someone is knocking at the door.It ____ be Tom .-----No, it ______ be him ;he has gone to Sydney.
#63094
A
must, can’t
B
might, mustn’t
C
may, needn’t
D
can, mustn’t
My sister met him at the Grand Theatre yesterday afternoon,so he ________ your lecture.
#62507
A
couldn't have attended
B
needn't have attended
C
mustn't have attended
D
shouldn't have attended