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职称英语
Mary’s score on the test is the highest in her class; she ______ have studied ve
Mary’s score on the test is the highest in her class; she ______ have studied ve
游客
2023-10-16
34
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问题
Mary’s score on the test is the highest in her class; she ______ have studied very hard.
选项
A、may
B、should
C、must
D、ought to
答案
C
解析
must(have done)表示对过去事实的肯定推测。根据句子前后语义“得分高”与“学习刻苦”,可以判定其为肯定的因果逻辑关系,而且后面的行为发生在前面的行为之前,故C项为正确答案。
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