while,when,as 引导时间状语从句,尤其是过去进行时的区别.要简单易懂的,常用的.
人气:135 ℃ 时间:2019-10-19 20:53:26
解答
合并下列句子,如果你会,你在这方面的问题就解决了:He was getting off the bus.He fell and hurt himself1 While he was getting off the bus,he fell and hurt himself2 When he fell and hurt himself,he was get...
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