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Jack_____ out very early, for he had not shown up at breakfast.
Jack_____ out very early, for he had not shown up at breakfast.
admin
2021-04-13
76
问题
Jack_____ out very early, for he had not shown up at breakfast.
选项
A、could have gone
B、must have gone
C、ought to have gone
D、should have gone
答案
B
解析
考查“情态动词+完成式”的用法。根据句意应选B,因为must have done表示对过去事情的肯定推测。C和D中should/ought to have done都表示本应该做某事却没有做;A中could have done表示本可以做某事却没有做,均不符合题意。
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专业英语四级
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