高等继续教育 / 旅游英语
正确率：100%
题型描述: 单选题
_ _ _ _ _ _ is known to us all is that the 2008 Olympic Games will take place in Beijing.
A.As
B.It
C.Which
D.What
_ _ _ _ _ _ is known to us all is that the 2008 Olympic Games will take place in Beijing.
A.As
B.It
C.Which
D.What
参考答案：
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