While the alien ____( buy) stamps,I ____(call) the TV news.为什么是called而不是was calling?
英语课本中所有while引导的句子都是从句是过去进行时,主句是一般过去时,这是和when一样的一种规律吗
人气：426 ℃ 时间：2020-05-28 14:49:56
解答
对,while表示的是同一时间,后面要用进行时来表示,它所表示的时间不是一点,而是一段,如：
Strike while the iron is hot.
While he was having lunch,the phone rang.
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