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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:1657

Canada has vast areas of wilderness, from the Arctic north, _______ average winter temperatures are usually -20 0C, to the border with the USA in the south, _______ is said to be the longest border in the world not defended.

A.which, where B.whose, which C.where, where D.where, which
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Canada has vast areas of wilde