No student go out of school for snacks during the break without the teacher’s permission.
#62154
A
will
B
must
C
shall
D
may
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—Where did you meet him?—I met him on a number eleven bus, if you know.
#63394
A
can
B
must
C
shall
D
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---Must I answer it in English?---No, you _______. You can use Chinese.
#76005
A
shouldn’t
B
can’t
C
mustn’t
D
needn’t
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#77730
A
must
B
can
C
mustn’t
D
can’t