摘要：( ) It be Jim because I saw him in the classroom just now . A. may B. may not C. must D. can’t
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---- Whose backpack is this?
---- It be Jim’s. Look, his student’s card is in it.
A. must B. can C. mustn’t D. can’t
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— Whose backpack is this?
— It _____ be Jim's. Look, his student's card is in it.
— It _____ be Jim's. Look, his student's card is in it.
[ ]
A. must
B. can
C. mustn't
D. can't
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B. can
C. mustn't
D. can't
— Listen! Someone is singing in the music room. It ______ be Jim. He practices singing there every day.
— It ______ be him. He has gone to Beijing.
— It ______ be him. He has gone to Beijing.
[ ]
A. can; can't
B. must; may not
C. must; can't
D. may; may not
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B. must; may not
C. must; can't
D. may; may not