John’s score on the test is the highest

题库2022-08-02  1

问题 John’s score on the test is the highest in the class; he _____ last night.A.must studyB.should have studieDC.must have studieDD.is sure to study

选项 A.must study
B.should have studieD
C.must have studieD
D.is sure to study

答案 C

解析 本题考查情态动词

C选项,句意:约翰的考试分数全班最高;他昨天晚上一定学习了。表示对过去某一动作行为的猜测须要用must have done这一句型结构。

A,选项,对现在的猜测,与题意不符,故排除。

B,选项,本该做而未做,故排除。

D,与题意不符,故排除。

故正确答案为C选项。
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