As is known to us,China is a country belonging to the Third World.句中belong是ing,前面为什么没Be动

As is known to us.和It is known to us.后面接什么啊?为啥 It Is known to us 和as is known to us 有什么区别 as is known to us that为什么不对呢? As is known to us 可以怎么造句? it is known to us all,as is known to us all和what is known to us all有什么区别 As is known to us……和Which is known to us……的区别? As is known to us……和Which is known to us……的区别? 有关as is known to us all,it is known to us all 的辨析1.As is known to us all,the earth is round.2.It is known to us all that the earthe is round.3.what is known to us all is that the whale is not fish but mammal.请问这3个分别是什么从 As is known to us,there is ……怎么分析? 是as is known to...还是as iT known to... as is known to us all造句..最好是长一点的... It's known to us that practice makes perfect.与As is known to us,practice makes perfect!这两个句型到底有何区别? ----is well known to us all that Taiwan belongs to China.--- is known to us all ,Taiwan is part of--is known to us all that Taiwan is part of china---is known to us all is that Taiwan is part of chinaA.it B.As C.That D.what四题应选什么,为什 It is known to us that teaching is _____ science.A as much an art as B an art much as C as an art 1.___ is known to us all is that China is a developing country.A.Which B.what C.as D.1.___ is known to us all is that China is a developing country.A.Which B.what C.as D.It2.___ is known to us that China is a developing country.A.Which B.As C.What D. ( ) they have won the game is known to us.( ) is known to us is ( ) they have won the game.( ) is known to us,they have won the game.( ) is known to us ( ) they have won the game.A.It B.That/that C.What D.As as is known to everyone对不对,众所周知 As is well known to us all that the earth is round.这个句子是正确的吗?