The girl fell asleep ______ doing her english exercises.

The girl fell asleep ______ doing her english exercises.
[A]when [B]while
答案是while,when不可以么?不是说while可以的用处when都可以么.听说while只用于延续性的事情.when是什么都可以的.

abrahamdong 1年前已收到5个回答举报

柔情SiShui 幼苗

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while更强调是正在做的事,注意doing

1年前

wrhome8 幼苗

共回答了972个问题举报

这问题经常有人问呢.看看它们的区别就行啦.
When和While的区别
①when是at or during the time that, 既指时间点，也可指一段时间，while是during the time that，只指一段时间，因此when引导的时间状语从句中的动词可以是终止性动词，也可以是延续性动词，而while从句中的动词必须是延续性动词。
②when 说明...

1年前

西山未雨幼苗

共回答了210个问题举报

while与when以及as之间的区别。
1. 当从句中的谓语动词是持续性的动作时,我们可以用while, when或as。
While / When / As I was walking down the street, I noticed a police car in front of the bank.我顺着马路往前走时,发现银行门前停着一辆警车。
2. 当从...

1年前

鸟恋青山幼苗

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1年前

笑坐清风幼苗

共回答了375个问题举报

while + v+ing

1年前

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