问题 选择题

Three trees can do the job of 15air-conditioners _________ almost all day.

A.run

B.are running

C.ran

D.running

答案

答案:D

题目分析:句意:3棵树能够做到15台空调几乎一整天不停运作才做到(使人凉爽)的事情。根据句意可知应用running,故选择D。

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