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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:1436
题文

In the past 5 years a great deal of money _____ improving the environment of the school.

A.is spent B.has been spent C.was spent D.had been spent
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Inthepast5yearsagreatdealofmon