问题
选择题
I wonder________there are so many natural disasters across the world in 2010.
A．which it is that
B．what is it that
C．how it is that
D．why it is that
答案
答案：D
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I wonder________there are so many natural disasters across the world in 2010.
A．which it is that
B．what is it that
C．how it is that
D．why it is that
答案：D