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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1381

The population, one third of which___ farmer workers, __increasing very fast.

A.is; are B.is; is C.are; is D.are; are
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Thepopulation,onethirdofwhichf