The student must have been ill yesterday, ______?A.mustn’t heB.needn’t heC.didn’t heD.wasn’t he-英语

题目简介

The student must have been ill yesterday, ______?A.mustn’t heB.needn’t heC.didn’t heD.wasn’t he-英语

题目详情


The student must have been ill yesterday, ______?
A.mustn’t heB.needn’t heC.didn’t heD.wasn’t he
题型:单选题难度:偏易来源:不详

答案

D
考查反义疑问句。must 表示推测时,要根据 must 后的动词形式来决定。根据时间状语yesterday及been ill可知前文是对昨天的状态进行推测,故用be动词的过去形式,选D。

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