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    -How long it you to work out such a difficult problem? -About thirty minutes. A. did- take B. does- take C. did-cost 【查看更多】

     

    题目列表(包括答案和解析)

     —How long _______it _______ you to work out such a difficult problem?

       —About thirty minutes.

       A. did… take                                       B. does… take                                   C. did…cost

     

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    —How long _______it _______ you to work out such a difficult problem?
    —About thirty minutes.
    A. did… take                                      B. does… take                                  C. did…cost

    查看答案和解析>>

    —How long _______it _______ you to work out such a difficult problem?

    —About thirty minutes.

    A．did… take                  B．does… take                 C．did…cost

    查看答案和解析>>

    —How long _______it _______ you to work out such a difficult problem?
    —About thirty minutes.
    A. did… take                            B. does… take                         C. did…cost

    查看答案和解析>>

    —How long _______it _______ you to work out such a difficult problem?
    —About thirty minutes.
    A. did… take                                      B. does… take                                  C. did…cost

    查看答案和解析>>


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