题目内容
【题目】We are now faced with a new problem involved in the popularity of private cars __________ road conditions need __________.
A. which; to be improved B. that; to be improved
C. where; improved D. when; improved
【答案】B
【解析】句意:私家车辆使我们面临一个新的问题,道路状况需要改善。that引导同位语从句;need可以跟动名词或不定式的被动式表被动,即need doing/need to be done。综上,选B。
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