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题目
Did he put shoes under his bed very loudly when you were listening to the music?
什么时态 是过去进行时吗
did+when+be doing 和 be doing+when+did 的用法和区别

提问时间:2021-03-19

答案
第一个when翻译成:当……时
第二个when翻译成:正在这时突然
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