Nancy’s gone to work but her car’s still there. She______by bus.A、must have gone

游客2023-11-03  21

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 情态动词题。must用在肯定句中表示较有把握的推测,意为“一定”。表示对现在的状态或现在正发生的事情的推测时,must后面通常接系动词be的原形或行为动词的进行时,例如:You haveworked hard all day.You must be tired.(你辛苦工作一整天,一定累了。);He must be working in hisoffice.(他一定在办公室里工作。);当must表示对过去事情的推测时,must后要接完成时,例如:Ididn’t hear the phone.I must have been asleep.(我刚才没有听到电话响,想必我是睡着了。);must也可以表示对过去某时正发生的事情的推测,后面要接不定式的完成进行时,例如:Why didn’t youanswer my phone call?Well,I must have been sleeping,so I didn’t hear it.因此本题选[A]。
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