题目内容

【题目】A lot of tall buildings __________ in Shanghai in the past three years.

A. have set up B. have been set up

C. set up D. were being set up

【答案】B

【解析】in the past+时间段常和现在完成时连用。buildingsset up之间是动宾关系,所以用被动形式,句意:上海在过去三年里建了许多高楼大厦。

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