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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1207

There are not many red—crowned cranes today and the number of them ________
getting ________.

A.are;fewer and fewer B.are;smaller and smaller
C.is;fewer and fewer D.is;sma]ler and smaller
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相关知识点

Therearenotmanyred—crownedcran