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    -Shall we go swimming this afternoon? -Sorry, I . I have lots of homework to do. A. mustn’t B. needn’t C. may not D. can’t 【查看更多】

     

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    —Shall we go swimming this afternoon?
    —Sorry, I ________. I have lots of homework to do.

    [     ]

    A. mustn't
    B. needn't
    C. may not
    D. can't

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