Heaskedwhowastheman________on.A.t

发布时间:2020-07-27 08:21:26

He asked who was the man ________ on.A.to be operatingB.operatingC.to operateD.being operated

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D解析此题考查分词作后置定语,the man与operate on为被动关系,且表示进行,故选D项。
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