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外语
He______unwisely, but he was at least trying to do something helpful.
He______unwisely, but he was at least trying to do something helpful.
admin
2013-11-24
66
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
本题考查情态动词。may have done表示“某人可能做过某事,但实际上并未做”;而must have done则表达肯定意味。从句意上看,前者更符合。因此选A。
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