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    The project is so designed that once nothing can be done to change it. A. starts B. having started C. started D. starting 【查看更多】

     

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    The project is so designed that once _______ nothing can be done to change it．

             A．starts                   B．having started   C．started       D．starting

     

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    The project is so designed that once _______ nothing can be done to change it．

             A．starts                   B．having started   C．started       D．starting

     

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    The project is so designed that once _______ nothing can be done to change it．


    1. A.
      starts
    2. B.
      having started
    3. C.
      started
    4. D.
      starting

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    The project is so designed that once _______ nothing can be done to change it．

             A．starts                   B．having started   C．started       D．starting

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    The project is so designed that once _______ nothing can be done to change it．

           A．starts        B．having started   C．started      D．starting

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