问题描述：
Antarctic _______ we know very little is covered with thick ice all the year round.A.whi
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where答案C
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where答案C
问题解答：
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