it's glad -- you again . a.see b.to see c.sees选什么为什么?

问题描述:

it's glad __ you again . a.see b.to see c.sees选什么为什么?
1个回答 分类:英语 2014-11-08

问题解答:

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it's glad to see you again.这是固定句型,it's glad to do sth..
 
 
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