I will never forget the day when we joined the Party.改为简单句是不是 I will never forget the day

问题描述:

I will never forget the day when we joined the Party.改为简单句是不是 I will never forget the day
We joined the Party on the day 第一句forget的后面为什么是the day 不是a day 定语从句改为简单句的第一句不是所有冠词都用不定冠词吗?有没有这样的规定?

因为,we joined the Party 是特定的一天,所以用定冠词the.
改成简单句,就是:I'll never forget the day.
你说的那个规定是不对的,比如:
I'm looking for a book that discusses the Chinese history.
我正在找一本关于中国历史的书.