I realized that it doesn't matter if I don't know each word.

问题描述:

I realized that it doesn't matter if I don't know each word.这个句子中为什么doesn't不变过去式
1个回答 分类:英语 2014-10-19

问题解答:

我来补答
这里说的是事实,在宾语从句中如果说的是公理或事实要用一般时.
 
 
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