September 18 ,1931 is the day____ we will never forget填什么?

September 18 ,1931 is the day____ we will never forget填什么? September 18 ,1931 is the day____ we will never forget This is the day____ I will never forget September 18,1931 is the day that we'll never forget.为什么用tha .They will never forget the day____ they got married. we will never forget the day ______ we first met 这个是填什么 还有什么 1.September 11,2001 is the day _____we will never forget. 定语从句的疑问.Sep 18 1937 is the day we will never forget.为什么用that We will never forget the day,_______ we spent together. That is a special day() we will never forget. 1 It is ____that we will never forget 定语从句填什么?为什么?I will never forget the days____we