It is known to us all,he is a boy.Z这个问题对吗?

It is known to us all , he is a boy.对不对？语法上如何解释?是否就等于It is known to us all that he is a boy.355903902 - 助理 三级 应该不太懂我的问题，不过还是感谢你的热情！

As is known to all 与It is known to all 区别？ It's known to us_______there is pollution,there is harm. It is known to us all,he is a boy.Z这个问题对吗? 25 . Sir Denis, who is 78, has made it known that much of his collection _________ to the nation. rue friendship is like health;the value of it is seldom known until it is lost. It is known that hydrogen _______ the lightest element. what compounds are is known to the students. as is known to..为什么这么用啊? __ discovered america is well known to us all. it is up to ...是什么意思