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While he was going shopping,I slept还是was sleeping,为什么?

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/18 05:17:58
While he was going shopping,I slept还是was sleeping,为什么?
那如果是while he was taking a shower ,the UFO landed.这里的while可以换成when吗
while不可以换when while后面加延续性的动词 when后加终止性动词 希望被采纳!
再问: 再问你一点,while the man was calling the police,the women called the newspaper,这里为什么不用 the women was calling the newspaper.
再答: 当这个男人正给警察打电话时 这个女人给报社打了电话