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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 1151

According to the survey, two thirds of the area__________covered by trees now and 90% of the population__________contributions to the Greening Project in the city.

A.is ; has made B.are; have made
C.is; have made D.are; has made
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Accordingtothesurvey,twothirds