Asyoucansee,thenumberofcarsonro

发布时间:2020-07-09 14:42:54

As you can see, the number of cars on roads ________ rising these days.













A.was keeping












B.keep











C.keeps











D.were keeping

网友回答

C解析the number of+可数名词的复数作主语时,中心词是number,谓语动词用单数;a number of+可数名词的复数作主语时,中心词是of后面的名词,谓语动词用复数。时间状语是these days,因此不可能用过去进行时,故排除A和D项;主语是the number of cars,其中心词是number,单数,故谓语动词用单数。
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