题目内容
【题目】It's eight o'clock.Jack ________ his room.
A. clean B. cleans C. cleaned D. is cleaning
【答案】D
【解析】句意:八点钟了。杰克正在打扫他的房间。根据It's eight o'clock.可知此处表示正在某时做某事,故用现在进行时be doing,故选D。
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题目内容
【题目】It's eight o'clock.Jack ________ his room.
A. clean B. cleans C. cleaned D. is cleaning
【答案】D
【解析】句意:八点钟了。杰克正在打扫他的房间。根据It's eight o'clock.可知此处表示正在某时做某事,故用现在进行时be doing,故选D。