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    Not easy as the problem of pollution is , no one should just stop trying. A. to solve B. to be solve C. solving D. being solved 【查看更多】

     

    题目列表(包括答案和解析)

    Not easy as the problem of pollution is____, no one should just stop trying.

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

     

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    Not easy as the problem of pollution is______, no one should just stop trying.


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

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    Not easy as the problem of pollution is ____, no one should just stop trying.

    [     ]

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

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    Not easy as the problem of pollution is____, no one should just stop trying.

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

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    Not easy as the problem of pollution is____, no one should just stop trying.

    A．to solveB．to be solveC．solvingD．being solved

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