—Look! A book is on the floor. Whose is it?—It ______ be Rick’s. It has his name on it.
#75808
A
mustn’t
B
can’t
C
must
D
need
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—Where did you meet him?—I met him on a number eleven bus, if you know.
#63394
A
can
B
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---Must I answer it in English?---No, you _______. You can use Chinese.
#76005
A
shouldn’t
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can’t
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mustn’t
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--Whose backpack is this? ---It be Jim’s. Look, his student’s card is in it.
#77730
A
must
B
can
C
mustn’t
D
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