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    The world’s population is getting larger and larger, so scientists will have to new ways to solve food problem. A. catch up with B. keep up with C. come up with D. make up with 【查看更多】

     

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     The world’s population is getting larger and larger, so scientists will have to ______ new ways to solve food problem.

    A. catch up with         B. keep up with    C. come up with        D. make up with

     

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    The world’s population is getting larger and larger, so scientists will have to ______ new ways to solve food problem.
    A．catch up withB．keep up withC．come up withD．make up with

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    The world’s population is getting larger and larger, so scientists will have to ______ new ways to solve food problem.


    1. A.
      catch up with
    2. B.
      keep up with
    3. C.
      come up with
    4. D.
      make up with

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    The world's population is getting larger and larger, so scientists will have to ______ new ways to solve food
    problem.
    [     ]
    A. catch up with
    B. keep up with
    C. come up with
    D. make up with

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    The world’s population is getting larger and larger, so scientists will have to ______ new ways to solve food problem.
    A．catch up withB．keep up withC．come up withD．make up with

    查看答案和解析>>


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