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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2115

The money he has contributed in the past years to ______ the disabled is now considered to be of great value.

A.help B.helping, C.having helped D.being helped
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Themoneyhehascontributedinthep