..is known to everybidy,the moon travels round the earth onc

问题描述:

..is known to everybidy,the moon travels round the earth once every month
a.it
b.as
c.that
d.what
为什么?
1个回答 分类:英语 2014-11-28

问题解答:

我来补答
B
As is known to ...做状语是一个固定用法 记住就行了,从语法上解释比较麻烦
如果后面有that的话,就用it's known to..构成强调句
 
 
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