练习册

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    You have already tried your best, so you worry about the matter. A. can't B. needn't C. mustn't D. couldn't 【查看更多】

     

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    You have already tried your best, so you _____ worry about the matter.
    [     ]
    A. can't
    B. needn't
    C. mustn't
    D. couldn't

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    You have already tried your best, so you ________ worry about the matter.

    A. can't

    B. needn't

    C. mustn't

    D. couldn't

    查看答案和解析>>

    You have already tried your best, so you ________ worry about the matter.

    A. can't

    B. needn't

    C. mustn't

    D. couldn't

    查看答案和解析>>

    You have already tried your best, so you ________ worry about the matter.

    A. can't

    B. needn't

    C. mustn't

    D. couldn't

    查看答案和解析>>

    You have already tried your best, so you ________ worry about the matter．


    1. A.
      can't
    2. B.
      needn't
    3. C.
      mustn't
    4. D.
      couldn't

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