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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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