I’ll never forget the days ___ we fought against the SARS.

问题描述:

I’ll never forget the days ___ we fought against the SARS.
I’ll never forget the days ___ we fought against the SARS
A. which B. on which
C. during that D. when
答案是D .我知道原因,但是我疑问的是为什么不选B.其看一下底下这个句子,不也和B项有异曲同工之处吗?
I still remember the day on which I joined the army.

when=介词+which这句子里出问题的是那个介词,应该用的是in而不是on举个例子就可以明白:in rainy dayson the Christman Dayin和on用的地方不一样,in一般是泛指,用在同一类的days上面,或者有【一段日子】的感觉;而on...