例1 I can't forget the days when we work together

i can never forget the days when we study together.中的WHEN能否用 I will never forget the days when we spent together in the c I'll never forget the days we lived together.A that B when 为 How can i forget the days ( ) we spend together in that poor 1.I’ll never forget the days we worked together. I’ll never forget the days _____________ we worked together When I think back on the days we spent together I just can n 1.I can never forget the day(when) we worked together and th I will never forget the day _ we work together. i can never forget the day ______ we worked together I'll never forget the days when I worked together with you.为 I will never forget the days that we spent together in the c