we will never forget the days ___we spent with your family 这里用on which还是when?

问题描述:

we will never forget the days ___we spent with your family 这里用on which还是when?

when.定语从句,用when 修饰the days
不明白的再问哟,请及时采纳,多谢!为什么不能用on which呢?用on which 的话,还原一下句子:we spent on the days with your family.你觉得通吗?