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    It is when the plane that you’d better find out at the booking office. A. would take off B. had taken off C. was taking off D. is taking off 【查看更多】

     

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    It is when the plane ______ that you’d better find out at the booking office.

        A. would take off           B. had taken off

        C. was taking off           D. is taking off

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    It is when the plane ______ that you’d better find out at the booking office.


    1. A.
      would take off
    2. B.
      had taken off
    3. C.
      was taking off
    4. D.
      is taking off

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