___ is known to all,Columbus used a ship to discover America about 450 years ago.为什么填It而不填As?两者有什么区别?

it known to all还是it is known to all As is known to all,___ there is pollution ,there is harm.A.where B.that whereB 为什么 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. it is known to all that 和as is known to all that 区别 如何区别As is known to all与It is known to all? 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 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. as is known to all的意思以及as a known to all的意思 That is known to all,Taiwan belongs to China.改错 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 all ,和Which is known to all,China is a socialist country.的翻译的不同. as it is known to all与as is known to all与it is known to all请问,有没有as it is known to all THANK YOU! It is known to all that sea water__(contain)salt. She is a good woman,___is known to us all. as is known to all 在句中做什么成分 As is known to all怎么连读 as is known to all中的as是什么词性 ___ is known to us all is thet China has the langest population in the world.从what,which中选答案