___ is known to us all is that the Olympic Games will take place in Beijing.A.It B.What C.As D.Which正确答案选：B为什么不选A而选B呢?希望能给出详细一点的解释～

It is known to us ___ where is pollution there is harm.A.whichB.whereC.whatD.that 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. 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 She is a good woman,___is known to us all. 众所周知哪儿有污染,哪儿就有伤害.英文翻译It is known to us all ___ ___ ___ ___ ____,there is harm. 3.___ is known to us all is that America is a developed country____the First World.Which; belong to b.As,belonged to c.What; belonging to d.It; belonging to 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 主语从句 代词 ____ he is a good student is known to us all.如何分析, ( ) 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 it is known to us all,as is known to us all和what is known to us all有什么区别 it is well known to us that是什么意思 as is known to us that为什么不对呢? lt is known that smoking does great ----[harm]to us. As is known to us 可以怎么造句? 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? ___ is known to us all is thet China has the langest population in the world.从what,which中选答案