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There is a new problem involved in the popularity of private cars road condition

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There is a new problem involved in the popularity of private cars road condition

There is a new problem involved in the popularity of private cars ________ road conditions need ________.

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A．that; to be improvedB．which; to be improvedC．where; improvingD．when; improving

试题答案

答案：A

解析：

that引导的同位语从句说明具体内容，need后既可接动名词的主动式，也可接不定式的被动式。

标签：ofpopularitytheroadcars

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