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    There is a new problem in the popularity of private cars that road conditions need to be improved.A. involving B. involved C. being involved D. having involved 【查看更多】

     

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    There is a new problem________in the popularity of private cars that road conditions need improving.

    A．involvedB．to involve
    C．involvingD．being involved

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    There is a new problem________in the popularity of private cars that road conditions need improving.

    A．involved                              B．to involve

    C．involving                              D．being involved

     

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    There is a new problem________in the popularity of private cars that road conditions need improving.


    1. A.
      involved
    2. B.
      to involve
    3. C.
      involving
    4. D.
      being involved

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    There is a new problem ________ in the popularity of private cars that road conditions need improving.
    [     ]
    A. involved  
    B. to involve
    C. involving  
    D. being involved

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    There is a new problem________in the popularity of private cars that road conditions need improving.．
    [     ]
    A．involved  
    B．to involve
    C．involving  
    D．being involved

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