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    21． Must I come back before ten? No, you . A. mustn’t B. needn’t C. couldn’t D. can’t 【查看更多】

     

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     —Must I be home before eight o'clock, Mum?

    — No, you _____. But you have to come back before ten o'clock.

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

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    —Must I be home before eight o’clock, Mum?　　

    — No, you         . But you have to come back before ten o’clock.　　

    A. needn’t       B. can’t       C. mustn’t　　

     

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    —Must I be home before eight o’clock, Mum?　　
    — No, you         . But you have to come back before ten o’clock.　　
    A. needn’t       B. can’t       C. mustn’t　　

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    —Must I be home before eight o'clock, Mum?　　
    —No, you _____. But you have to come back before ten o'clock.　　 　
    [     ]
    A. needn't
    B. can't
    C. mustn't　

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    —Must I be home before eight o’clock, Mum?　　
    — No, you         . But you have to come back before ten o’clock.　　
    A. needn’t       B. can’t       C. mustn’t　　

    查看答案和解析>>


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