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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1444

—I heard the peasants here        very poor in the past.
—Yes,but there        great changes in the past few years.

A.have been;have been B.have been;were
C.were;have been D.were;were
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相关知识点

—Iheardthepeasantshereverypoor