The student must have been ill yesterday, ?A. mustn’t heB. needn’t heC. didn’t heD. wasn’t
The student must have been ill yesterday, ?A. mustn’t heB. needn’t heC. didn’t heD. wasn’t
发布时间:2020-08-16 11:04:53
The student must have been ill yesterday, ? A. mustn’t he B. needn’t he C. didn’t he D. wasn’t he
网友回答
A. mustn’t he B. needn’t he C. didn’t he (答案→)D. wasn’t he 解析: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。