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    -Could I watch TV, Mum? I want to have a rest. -No. you . You must finish your homework first. A. mustn’t B. couldn’t C. may not D. can’t 【查看更多】

     

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    —Could I watch TV, Mum? I want to have a rest.
    —No, you _______. You must finish your homework first.
    [     ]
    A. mustn't
    B. couldn't
    C. may not
    D. can't

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