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    -Let's go to the concert tonight, Michael! -Sorry, I . I have to help my mother with the housework. A. mustn't B. may not C. needn't D. can't 【查看更多】

     

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    — Let's go to the concert tonight, Michael!
    — Sorry, I _____. I have to help my mother with the housework.

    [     ]

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

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    －Let's go to the concert tonight, Michael!

    －Sorry, I ________．I have to help my mother with the housework．

    [　　]

    A．mustn't

    B．may not

    C．needn't

    D．can't

    查看答案和解析>>

    －Let's go to the concert tonight, Michael!

    －Sorry, I ________．I have to help my mother with the housework．

    [　　]

    A．mustn't

    B．may not

    C．needn't

    D．can't

    查看答案和解析>>


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