解释语法We will never forget the days ____we spent together,sing
1 I will never forget the days ____we spent together.A that
I will never forget the days that we spent together in the c
I will never forget the days when we spent together in the c
I will never forget the days-----we spent together in the fo
I will never forget the days _______ we spent together. 
I will never forget the happy days we spent together中间的先行词填什
We will never forget the day,_______ we spent together.
语法 I will never forget the days ___ we worked together.
I will never forget these days (which )we spent together.为什么
.I’ll never forget the days ______ we spent together in the
i'll never forget the days we spent together on the beach la
I'll never forget the days that/which we spent together.