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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1977

That hazy(雾霾)weather has hit 104 cities in middle-east China lately makes citizens well aware of
______a terrible problem China is faced with.

A.what B.how C.which D.that
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Thathazy(雾霾)weatherhashit104ci