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    they clean the classroom now? No, they . 【查看更多】

     

    题目列表(包括答案和解析)

    —Must they clean the classroom now?

    —No, they ________


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

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    ?Must they clean the classroom now?

    ?No, they ________.

    A. can't

    B. needn't

    C. don't

    D. mustn't

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    — Must they clean and tidy the classroom now?

                      — No, they      . It       after school in the afternoon.

                      A. mustn’t; must clean                                   B. needn’t; must clean

                      C. mustn’t; need be cleaned                         D. don’t have to; can be cleaned

     

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    — Must they clean and tidy the classroom now?

                      — No, they      . It       after school in the afternoon.

                      A. mustn’t; must clean                                   B. needn’t; must clean

                      C. mustn’t; need be cleaned                         D. don’t have to; can be cleaned

     

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    — Must they clean and tidy the classroom now?
    — No, they      . It       after school in the afternoon.
    A．mustn’t; must cleanB．needn’t; must clean
    C．mustn’t; need be cleanedD．don’t have to; can be cleaned

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