摘要： He has gone to another city and he’ll be back a week. A. at B. on C. for D. in
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--Listen! Tom is singing in the next room.
--It _______ be Tom. He has gone to Shanghai.
A. may B. must C. mustn’t D. can’t
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--Is the man standing outside the teacher’s office Mr. Zhou?
--No, it ______ be him. He has gone to Hong Kong for an academic conference.
A. mustn’t B. can’t C. needn’t D. couldn’t
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—Look! Is that Mr. Green?
—It be Mr. Green. He has gone to Shanghai.
A．must B．can C．mustn’t D．can’t
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---Look!It _______ be Mr Zhang .
---No,it _______ be Mr Zhang. He has gone to Paris .
| A．must, can’t | B．must , may |
| C．may ,mustn’t | D．can , may not |