4.There is a new problem involved in the popularity of private ca_英语解答

4.There is a new problem involved in the popularity of private cars ___road conditions need -
A.that; to be improved
B.which; to be improved
C.where; improving
D.when; improving
第一个空如何辨别是同位语,而不是地点状语

人气：363 ℃　时间：2020-05-06 03:50:06

解答

首先,地点状语修饰的是地名,而这里的主语是problem.
其次,由于被修饰的是problem,从句的内容又是problem的具体解释,从句是同位语.
by the way,need 后面加to,to be improved 是被动语态.