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职称英语
Jim’s score on the test is the highest; he______hard.A、should have studiedB、cou
Jim’s score on the test is the highest; he______hard.A、should have studiedB、cou
游客
2023-10-25
56
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问题
Jim’s score on the test is the highest; he______hard.
选项
A、should have studied
B、could have studied
C、must have studied
D、could study
答案
C
解析
情态动词题。must have done表示对过去情况肯定的推测,意为“一定/肯定做过某事”;should have done表示“过去本应该做某事”,但事实上未做;could have done表示过去能做某事而实际上没做,含有遗憾之意。根据句意应选[C]。
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