Nancy′ s gone to work but her car′ s still there. She __________ by bus.A.mus...

作者: tihaiku 人气: - 评论: 0
问题 Nancy′ s gone to work but her car′ s still there. She __________ by bus.
选项 A.must have gone B.should have gone C.ought to have gone D.could have gone
答案 A
解析 考查情态动词。句意为“南希已去上班,但她的车还在那儿。她一定是乘了公交车去的”。musthavedone是对过去事情的肯定推测,符合句意。should/ought t ohave done“本应该做某事却没有做”.Couldhave done“本可以做某事却没有做”,显然均不符合题意。
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