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    ( ) - Is Lucy knocking at the door? - No. It be Lucy. She is in Japan now. A. needn’t B. mustn’t C. can’t D. may 【查看更多】

     

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    —Is Lucy knocking at the door?
    —No. It ______ be Lucy. She is in Japan now.

    [     ]

    A. needn't
    B. mustn't
    C. can't
    D. shouldn't

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    --Is Lucy knocking at the door?

    --No．It           be Lucy．She is in Japan now．

    A．needn't                              B．must                                  C．can't

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