问题
选择题
There is a new problem in the popularity of private cars road conditions need to be improved .
A．involving ; that
B．involved ; that
C．involved; where
D．involving ; which
答案
答案：B
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There is a new problem in the popularity of private cars road conditions need to be improved .
A．involving ; that
B．involved ; that
C．involved; where
D．involving ; which
答案：B