He must have lost his watch yesterday,_______he?A didn't B mustn't C hasn't D needn't为什么用A?
问题描述:
He must have lost his watch yesterday,_______he?
A didn't B mustn't C hasn't D needn't
为什么用A?
答
他昨天一定把手表给丢了。。。
现在要反问的是他昨天丢手表这件事,不是反问这个猜测,所以用过去式,didn't..因为是过的事情了嘛。。
答
首先分析这里的反义疑问句是对“昨天他是否丢失了手表”提出的疑问。先转换为一般疑问形式句就为:
did he lost his watch yesterday.
因此这题选A
答
A,must have done 表示对过去某件事的猜测,反义疑问句用过去式!
答
yesterday,这里强调的是he lost watch,so didnt