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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2111

When asked what they would volunteer to do, ________ said they were willing to do something they could.

A.half of these B.half of which
C.half of whom D.half of them
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Whenaskedwhattheywouldvoluntee