-Someone is knocking at the door. It be Jim.-It be him. He's gone to Shanghai.A. must, mustn't. B. may, may not. C. must, may not. D. must, can't. 【查看更多】

 

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Someone is knocking at the door. It     my sister. It's time for her to be back.

A．can’t beB．may not beC．must beD．mustn’t be

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— Someone is knocking at the door. Is it Ann?

— It _____ be her. She is giving a performance at the theatre now.

A. may              B. must            C. can’t            D. mustn’t

 

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Someone is knocking at the door. It     my sister. It's time for her to be back.

A．can’t be         B．may not be        C．must be           D．mustn’t be

 

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---Listen! Someone is knocking at the door. Who _____it be?
---It _____be Tom. He phoned to visit me this evening.
A．may; mayB．may; shouldn’tC．must; canD．can; may

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--Listen! Someone is knocking at the door. Who _____it be?

---It_____be Tom. He phoned to visit me this evening.

A.may;may       B.may;shouldn’t    C.must;can      D. must;may

 

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