Antarctic ,which we know very little,is covered with thick ice all the year round这句话改一下错误.为什么不能把which改成as?

Antarctic Antarctic __________ we know very little is covered with thick ice all the year round.A.which B.where C.that D.about which Antarctic ,which we know very little,is covered with thick ice all the year round这句话改一下错误.为什么不能把which改成as? Antarctic _______ we know very little is covered with thick ice all the year round.A.which B.where C.that D.about which 为什么不能用wherewhere 不是等于 介词+which么 Antarctic是什么意思 快帮我做几个英语单选...1.Who----has common sense will do such a thing?A.which B.who C.whom D.that 2.The train---she was traveling was late.A.which B.where C.on which D.in that 3.Antarctic ---we know very little is covered with thick ice all Antarctic _______ we know very little is covered with thick ice all the year round.A.whiAntarctic _______ we know very little is covered with thick ice all the year round.A.which B.where C.that D.about which 为什么不能用where答案C INTERNATIONAL ANTARCTIC CENTRE怎么样 It Is the hole in the ship,rather than the floating iceberg,__is to blame for the sunken ship in Antarctic. 为什么空填that? 我选which. Antarctica;the Antarctic Continent是什么意思 Which section will we have? 英语翻译Janpan is canceling its annual Antarctic“research” whaling hunt,AFP reported on April 3.It came after a March 31 International Court of Justice ruling,which ruled the program was a commercial activity disguised as research and ordered It's the hole in the ship ,rather than the floating iceberg ,___ is to blame for the sunken ship in Antarctic.A.which B.this C.that D.whom为什么选C Is the Antarctic circle a cold place? the Antarctic Ocean 是哪个洋? Which room we can not live in? which piace shall we visit? 中文意思 In which season can we make sonwmen