问题
选择题
is known to us all, the earth is round.
That is to say is known to us all is that the earth is round .
A．As, what
B．As, as
C．what ,as
D．What ,what
答案
答案：A
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is known to us all, the earth is round.
That is to say is known to us all is that the earth is round .
A．As, what
B．As, as
C．what ,as
D．What ,what
答案：A