Recorders_________intheexaminationm

发布时间：2020-07-26 05:17:36

Recorders _________ in the examination must be prepared with great care to make sure nothing goes wrong in operation.A.to be usedB.usedC.to useD.being used

网友回答

A解析该题考查动词不定式的被动语态作后置定语，修饰、限定recorders，意为“将被应用于考试的录音机”。
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