YoumusthavereadaboutMarkTwainlongago,____?A.mustn'tyouB.haven'tyouC.didn

发布时间：2020-08-13 17:04:55

You must have read about Mark Twain long ago, ____?A.mustn't youB.haven't youC.didn't youD.needn't you

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C解析试题分析：考查反义疑问句。句中must have done 表示对过去的肯定推测，而且有明显的时间状语long ago。做反义疑问句时用助动词did，所以
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