看到本站看到一个问题:https://www.cpsenglish.com/question/8101
其中有When doing homework, he often listens to music.这个句子
这里的when doing应该是等于when he does homework还是等于when he is doing homework?
希望老师解惑,谢谢!
我读这句话的时候语感是 when doing =when he is doing. 如果表达when he does homework, 这种情况不省略,表示的是一种长期的日常习惯。When/While doing his homework, he .... 比较多见。
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