As is known to all,the moon travels around the earth once every m_英语解答

As is known to all,the moon travels around the earth once every month.
这里的as能换成it吗?
it做形式主语加that,

人气：481 ℃　时间：2019-10-10 05:43:49

解答

As is known to all是习惯用语,众所周知的意思,写成it is known to all that语法上说的过去,但显得没有用as地道.