i will never forget the day __we spent together last week A that B which C / D A,B and C

问题描述:

i will never forget the day __we spent together last week A that B which C / D A,B and C
说说答案和理由

D
先行词为事物,所以用that或which都行;其次,先行词在从句中作宾语,所以也可以省略,所以不填也可以.