—Look at the picture on the wall. It ________be David’s.—Yes, his name is on the first page.
#76503
A
can
B
can’t
C
must
D
mustn’t
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My sister met him at the street yesterday afternoon, so he __________ your lecture.
#63076
A
shouldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
couldn’t have attended
—Have you decided when to leave for Australia?—Not yet. We _________ set off at the end of this month.
#76131
A
must
B
should
C
need
D
may