题目内容：

I will never forget the days (when/that/which)we worked together.说明理由

优质解答

when 是正确的.这是个关于定语从句关系代词或副词选择的题目.我们知道,选择何种关系词,决定于其在定语从句里所充当的成分.楼主的这个定语从句,先行词是the days,定语从句是we worked together,不缺主语和宾语,故不能...