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(2013·高考安徽卷)It ________ be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62467
A
may
B
couldn’t
C
should
D
needn’t
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—Must I come back before supper, mum?—No, you        .
#76497
A
can’t
B
mustn’t
C
don’t
D
needn’t
–Can you speak French?--Sorry, I______.
#76183
A
needn’t
B
mustn’t
C
can’t
D
may not
You _______ cross the road when the traffic lights are red.
#74937
A
can
B
must
C
mustn’t
D
needn’t
John, you          play with the knife, or you          hurt yourself.
#76292
A
won’t; can’t
B
mustn’t; may
C
shouldn’t; must
D
can’t; shouldn’t
You ________ play with the knife. You ________hurt yourself.
#75972
A
mustn’t; may
B
mustn’t; must
C
shouldn’t; must
D
can’t; should