问题补充:
is known to us all is that the Olympic Games will take place in Beijing.
A. It
B. As
C. what
D. which
答案:
A. It
B. As
(答案→)C. what
D. which
解析:句意:我们大家都知道的是的奥运会将在北京举行。is known to us all 是主语从句,它缺少主语,故用代词what来充当主语。这个句子的同义句为:(1)Asis known to us all , that the Olympic Games will take place in Beijing.(2)_Itis known to us all that the Olympic Games will take place in Beijing.故选C 。