题目

what did you do when you cut your finger 与what were you doing when you cut这两个句子有何不同?
北师的考研真题,

提问时间：2020-10-12

答案

what did you do when you cut your finger 当你切到手时你做了什么?（重点指处理方法是什么）
what were you doing when you cut your finger 当你切到手时你正在做什么?（重点指为什么切到手）