October the first is the day we Chinese people will always remember.

问题描述:

October the first is the day we Chinese people will always remember.
5. October 1 is the day _____we Chinese people will always remember.
A.which B.when C.on which D.about whichwhich的成分是什么

A 我们中国人会一直记得10月1日那一天
which引导定语从句,限定前面的the day,
且which在定语从句中做remeber的宾语,所以它也可以被省略掉