32.I had a bad cold,and -------- is why I didn't come.A.that

问题描述:

32.I had a bad cold,and ________ is why I didn't come.A.that B.this 为什么不选this
1个回答 分类:英语 2014-12-03

问题解答:

我来补答
this不能用作关系代词呢 从来没听说过从句中有用this的
 
 
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