_____ is known to us all is that the 2008 Olympic Games will take place in Beijing.[ ]
A. It
B. What
C. As
D. Which
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。
查看答案