I still remember the days —— we worked together中间若是用which则是用on which还是during which?

问题描述:

I still remember the days —— we worked together中间若是用which则是用on which还是during which?
谢谢啦

选 during which
题目的意思是 我仍然记得我们一起工作的日子 这里工作的日子是一个过程 所以要用 during