----- is a great honor to be invited here today.此空填it还是that?

问题描述:

_____ is a great honor to be invited here today.此空填it还是that?
1个回答 分类:英语 2014-09-18

问题解答:

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it
这里it是形式主语,真正的主语是不定式be invited here
 
 
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