Theoldmanoftenadvisedtheyoungwork

发布时间:2020-07-10 04:12:37

The old man often advised the young workers on ________ the machine and they learned quickly.













A.to operate












B.how operate











C.how operating











D.how to operate

网友回答

D解析题意是“这位老工人就如何操作机器向年轻工人提出了建议,他们学得很快”。本题主要考查advise sb.+on+疑问词+不定式的用法,故选D项。其他均不符合结构。
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