题目内容
The workers are trying to ________ what’s wrong with the machine.
A. look for B. care for C. find out D. take out
C
【解析】
试题分析:句意:工人们正在努力地查明机器出了什么毛病。look for 寻找;care for 关心;find out 查明,发现;take out 拿出。根据句意可知,工人们正在查明机器的毛病。故选C。
考点:考查动词短语。
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