题目内容

The rescuers _______ to work as soon as they arrived at the spot of the accident.

A.set out B.set off C.set up D.set in

A

解析试题分析:句意:救援人员一到出事地点,就开始工作了。使用:Set out to do sth.开始着手做…, B. set off成分,引发,引爆, C. set up建立,D. set in嵌入,所以选A。
考点:考查动词短语辨析

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