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    Scientists from different countries are trying to a good way to solve the energy problem. A. keep up with B. come up with C. catch up with D. meet up with 【查看更多】

     

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    Scientists from different countries are trying to_______ a good way to solve the energy problem.

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

     

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    Scientists from different countries are trying to_______ a good way to solve the energy problem.

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

     

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    Scientists from different countries are trying to_______ a good way to solve the energy problem.

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

     

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    Scientists from different countries are trying to_______ a good way to solve the energy problem.
    A．keep up with B．come up withC．catch up withD．meet up with

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     Scientists from different countries are trying to_______ a good way to solve the energy problem.

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

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