John’s score on the test is the highest in class; he ________ last night.

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问题 John’s score on the test is the highest in class; he ________ last night.

选项 A、must have studied
B、had studied
C、must study
D、studied

答案A

解析 本句是对过去情况的肯定推测,用“must+完成式”。句意:约翰的测试分数是班里最高的,他昨天晚上一定学习了。
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本试题收录于: 英语题库普高专升本分类
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