_______ is known to us all is that the 2
题型:选择题
问题:
_______ is known to us all is that the 2016 Olympic Games will take place in Rio.[ ]
A. It
B. Which
C. As
D. What
_______ is known to us all is that the 2016 Olympic Games will take place in Rio.[ ]
A. It
B. Which
C. As
D. What