练习册

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    We have finished the project finally . No one can imagine the difficulty we had the problem, A. to solve B. solved C. solving D. solve 【查看更多】

     

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    We have finished the project finally . No one can imagine the difficulty we had _____the problem,

         A. to solve                      B. solved                          C. solving                 D. solve

     

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    We have finished the project finally . No one can imagine the difficulty we had _____the problem,


    1. A.
      to solve
    2. B.
      solved
    3. C.
      solving
    4. D.
      solve

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    We have finished the project finally . No one can imagine the difficulty we had _____the problem,

           A. to solve                 B. solved                    C. solving             D. solve

    查看答案和解析>>

    We have finished the project finally . No one can imagine the difficulty we had _____the problem,

    A．to solveB．solvedC．solvingD．solve

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