—Show me your permit, please.—Oh, it's not in my pocket. It ________.
#62323
A
must have fallen out
B
might fall out
C
could fall out
D
should have fallen out
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- Look, Sue is over there.- That ____ be her. She is in Canada now.
#78119
A
mustn’t
B
can’t
C
needn’t
D
won’t
—Miss Li, must we hand in our homework right now?—No, you ____.You can hand it in tomorrow.
#77809
A
don’t
B
mustn’t
C
needn’t
D
may not