Themachinehasbeenmadeeasierforit_

发布时间:2020-07-25 20:25:18

The machine has been made easier for it______.A.to operateB.operatedC.being operatedD.to be operated

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D解析考察不定式的复合结构。不定式的复合结构:For sb to do sth;本题从语义上来说又是被动语态,故D正确。
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