练习册

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    -May I go swimming now? -No, you . You must finish your homework first. A. mustn’t B. may not C. couldn’t D. needn’t 【查看更多】

     

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    –Mom, may I go swimming with my friends in the river?

       –No, you _________. That’s too dangerous.

        A. won’t           B. don’t           C. needn’t        D. mustn’t

     

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    ----May I go swimming this afternoon?

    ?? ----I'm afraid not _______ you have finished your homework.

    A. unless????????????? ????????????? ????????????? B. because????????????? ????????????? C. if ????????????? ????????????? ????????????? D. though

     

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    －May I go swimming, Mum?

    －Certainly．But you ________ be back by 7 o'clock．

    [　　]

    A．Can

    B．may

    C．must

    D．need

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    –Mom, may I go swimming with my friends in the river? 

    –No, you _________. That’s too dangerous.


    1. A.
      won’t
    2. B.
      don’t
    3. C.
      needn’t
    4. D.
      mustn’t

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    –Mom, may I go swimming with my friends in the river?
    –No, you _________. That’s too dangerous.

    A．won’tB．don’tC．needn’t D．mustn’t

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