＿is known to us all is that the 2012 Olympic Games will take place in London.答案是用what.我想问的是,为什么不能用it呢?

it is known to us all,as is known to us all和what is known to us all有什么区别 She is a good woman,___is known to us all. 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 ----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 主语从句 代词 ____ he is a good student is known to us all.如何分析, it known to all还是it is known to all 众所周知,成功源自努力 英语翻译It is known to us all that ___you success. it is known to us all that ……是什么句型? it is known to us all that light.=lt is___ ____that light... The fact that she worker hard is well known to us all .英译汉 as is known to us all造句..最好是长一点的... --- is known to us all ,Taiwan is part of china---is known to us all that Taiwan is part of china---is known to us all is that Taiwan is part of china这三题选项都是A.it B.AS C.That D.what 英语翻译句子1.As is known to us all,the earth is round.定从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.主从1.这三句话的中文翻译是什么?有什么区别么?侧 改错：英文句子He,that is playing an important part,which is well-known to us all. As is well known to us all that the earth is round.这个句子是正确的吗? 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 名词性从句连接词的选择.___ is known to us all is that China is a developing country.1.___ is known to us all is that China is a developing country.A.Which B.whatC.as D.It2.___ is known to us that China is a developing country.A.Which B.AsC