Hewenton________thefloorwithout__

发布时间：2020-07-26 16:22:27

He went on ________ the floor without ________ a word．A.to sweep…to sayB.sweeping…to sayC.sweep…/D.sweeping…saying

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D解析go on doing“不停地做某事”；without saying“没说一句话”．
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