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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 215

All people, ______ they are old or young, rich or poor, have been trying their best to help those in need since the disaster.

A.even if B.whether
C.no matter D.however
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Allpeople,theyareoldoryoung,ri