— May I smoke here?— No, you ________. Can’t you read the sign “NO SMOKING”?
#62643
A
mustn’t
B
won’t
C
needn’t
D
Don’t have to
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－Look, your sister is playing the piano over there.－She ______ be my sister. She has gone to America.
#77768
A
mustn’t
B
can’t
C
shouldn’t
D
may not
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
We have bought so much food now that Tom won’t be with us for dinner.
#63146
A
may not
B
needn’t
C
can’t
D
mustn’t
------She looks very happy. She ______ have passed the exam. ------I guess so. It’s not difficult after all.
#63502
A
should
B
could
C
must
D
might