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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 119

The time she has devoted in the past decade ______ the disabled is now considered to be very valuable.

A.helping B.to help
C.to helping D.for helping
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Thetimeshehasdevotedinthepastd