____is known to everybody,the moon travels round the earth答案为啥是which 不是what

____is known to everybody,the moon travels round the earth答案为啥是which 不是what ____is known to everybody ,the moon travels round the earth once every month为什么填as而不是it.that.what... ____is known to the world , Mark Twain is a gread American writera thatb it c whichd as 为什么B不对 He is ____is known as a hacker- he likes to showoff on the Internet and attack website.what or who? Gulin is famous its beautiful scenery,____is known to ereryone.A.that B.where C,why D,as ____is known to the world ,Beijing successful held the 29th Olympic Games.A.It B.As 为什么选B ____is known to the world ,Beijing successful held the 29th Olympic Games 用as 为什么不用which “Never seen you,ever known All We've Ever Known Has she ever been known to lose the work?改为主动怎么说,急. It is a far,far better rest that I go to than I ever have known. no such drugs are ever known to work这句话如何翻译? ____is known to all ,China is a developing country _____America is developed countryA.As ;whileB.It;whileC That ;when D.It ;but ____is known to all,Lu Xun was famous____a great thinker.A.Which,forB.As,forC.It,asD.As,as答案选D.为何不能选C? all we've ever known的中文翻译! ____is known to everybody,the moon travels round the earth once every month． 这道题应选什么?A:as B:it（我刚刚A,B忘写了，不好意思啦） 在表语从句中 此处该用who还是whatHe is ____is known as a hacker- he likes to show off on the Internet and attack website.在空格处该填who还是what?为什么? 表语从句中what与who的用法有啥区别?急He is ____is known as a hacker- he likes to show off on the Internet and attack websites.此处应该是what还是who?