995.____ is known to us all is that the 2008 Olympic Games will take place in Beijing.
A.It
B.What
C.As
D.Which
996.____ was most important to her, she told me, was her family.
A.It
B.This
C.What
D.As
995.答案是B；务必搞清此句结构:what is known to us all是主语从句，且what在从句中作主语。注意以下三种句型的转换：1. It is known to all that…2. As is known to all…3. What is known to all is that…
996.答案是C；what引导主语从句，且在从句中充当主语，而she told me为插入语。
