In recent years,there have been over 30 foreign companies__business in this city.请问填什么?A.doing B.do C.to do D.done .越快越好

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In recent years,there have been over 30 foreign companies__business in this city.请问填什么?A.doing B.do C.to do D.done .越快越好
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In recent years,there have been over 30 foreign companies__business in this city.请问填什么?A.doing B.do C.to do D.done .越快越好
In recent years,there have been over 30 foreign companies__business in this city.请问填什么?
A.doing B.do C.to do D.done .越快越好

In recent years,there have been over 30 foreign companies__business in this city.请问填什么?A.doing B.do C.to do D.done .越快越好
A.考察现在完成进行时的用法.
主语+have(has)been+动词-ing   表示从过去某时开始一直持续到现在的动作,并且还将持续下去

A
表示状态.

A,首先确定语态,是主动,D错;
语态,要用非谓语,B错,选A因为这里是动词ing作定语

选A
这句话是一个THERE BE 结构,主语there, 谓语 have been, 要填的这个空是一个非谓语,修饰foreign companies. 通过主被动关系,我们可以判断出“公司”与“做生意”应是主动关系,所以填doing。