I'll never forget the day----the teacher came to see me in the hospital.中为什么选when不选which?

问题描述:

I'll never forget the day----the teacher came to see me in the hospital.中为什么选when不选which?

when这个关系副词引导了定语从句,它本身表示时间,修饰的先行词是表示时间的day,而which不是关系副词,在从句中不能作状语,但where可以在从句中做状语的.