练习册

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    —Who it be that is knocking at the door? —It be Father, but I’m not sure. A. can; must B. can; may C. must; can D. may; must 【查看更多】

     

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    —Who______ it be that is knocking at the door?
    —It ______ be Father, but I’m not sure.

    A．can; mustB．can; mayC．must; can D．may; must

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    -----Who ______ it be that hasn’t handed it in yesterday?

    ------It _______ be Bob. He handed it in yesterday.

    A．can; mustn’t

    B．must; can

    C．can; can’t

    D．may; mustn’t

     

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    —Who______ it be that is knocking at the door?

    —It ______ be Father, but I’m not sure.

    A．can; must         B．can; may          C．must; can          D．may; must

     

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    —Listen! There is a knock on the door． Who _____ it be?

    —It must be Jack． Just now I sent for him．

        A． shall  B． can     C． must    D． might

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    —Who______ it be that is knocking at the door?  

    —It ______ be Father, but I’m not sure.

    A. can; must                    B. can; may          C. must; can                      D. may; must

     

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