All people,they are old or young，rich or poor，have been trying their best to help those in

发布时间：2020-08-17 12:05:21

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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解析：考查固定措配whether……or……的用法，句意：自从那次灾难以后，所有的人，不论老人还是年轻人、富人还是穷人，都在努力帮助那些需要帮助的人。
以上问题属网友观点，不代表本站立场，仅供参考！