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is known to us all is that the 2008 Olympic Games

时间:2022-10-13 00:04:49 作者:星火作文 字数:538字

_____ is known to us all is that the 2008 Olympic Games will take place in Beijing.[     ]

A. It

B. What

C. As

D. Which

答案

B

考点名称:主语从句

主语从句的概念:

如果一个句子在复合句中充当一个主语,那么这个句子就是主语从句。主语从句通常由从属连词that,whether,if和连接代词what,who,whichwhatever,whoever以及连接副词how,when,where,why等词引导。that在句中无词义,只起连接作用。