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)
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)