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    keep the windows open 【查看更多】

     

    题目列表(包括答案和解析)

    —Must we keep the windows open all the time?
    —No, we ________.

    [     ]

    A. don't have to
    B. mustn't
    C. must not

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    Lily, keep the windows ________．Don't open them．

    [　　]

    A．to close

    B．closing

    C．close

    D．closed

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    ---- Why do you keep the windows open on such a cold day?

    ---- There are so many students here, so we want to keep the air nice and 　　 .

    　 A. cold　 B. dry　 C. cool　 D. clean

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    ---Why do you keep the windows open on such a cold day?
    ---There are so many students here, so we want to keep the air nice and __.
    A．coldB．dryC．coolD．clean

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    You'd better keep the windows open every day ________ you can breathe fresh air．


    1. A.
      so that
    2. B.
      for
    3. C.
      to
    4. D.
      that

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