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He ______unwisely, but he was at least trying to do something helpful.A、may have
He ______unwisely, but he was at least trying to do something helpful.A、may have
游客
2023-11-13
26
管理
问题
He ______unwisely, but he was at least trying to do something helpful.
选项
A、may have acted
B、must have acted
C、should act
D、would act
答案
A
解析
情态动 + have done用来表示对过去事实的推测,may 与 must在肯定程度有很大的区别。
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