I will never forget the days_____ I live with you.

题目

I will never forget the days_____ I live with you.
填什么?为什么?

答案

when
从句是 I live with you.是一个完整的句子,不缺任何成分,所以加一个关系副词when是不错的.
如果是I spend with you,就要填that/which.因为是I spend（that）with you,缺宾语,所以要用关系代词