2 while后用一般过去时和过去进行时的区别

请看以下两句话:

I took my turn driving while my husband slept.

I took my turn driving while my husband was sleeping.

1.以上两句while都可以用when替换吗?

2.具体来说,while和when后用一般过去时和过去进行时有没有区别?

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  • miaoza   提出于 3天前

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