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since the proposal.,new ways to deal with the problem have t

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/02 17:03:14
since the proposal.,new ways to deal with the problem have to be found.A.has been turning down B.has been turned down C.is turning down D.has turned down
朋友 答案是b 因为该提议已经被否决,必须要想出新的解决问题的办法
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