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    ( )Must we keep the door open? I.You shouldn’t work too hard. 【查看更多】

     

    题目列表(包括答案和解析)

    —Must we keep the window open all the time? 

        A. No, you mustn’t  B. No, you can’t.   C. No, you don’t have to.

     

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    —Must we keep the room_______ all the time?

       —No, you don’t have to.

    A.cleaning     B.cleaned    C. to clean  D. clean

     

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    —Must we keep the window _______ all the time?

    —No, you don’t have to.

    A.opening   B.opened      C. open

     

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    —Must we keep the window _______ all the time?
    —No, you don’t have to.
    A.opening   B.opened      C. open

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    —Must we keep the window _______ all the time?
    —No, you don’t have to.
    A.opening   B.opened      C. open

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