Afterthathe________hardand________

发布时间：2020-07-26 22:12:48

After that he ________ hard and ________ everything carefully.A.worked, didB.worked, has doneC.works, doesD.has worked, does

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A解析从after that语境看，此句应为过去时。worked和has done不能共作并列谓语。
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