题目内容：

he must have finished the work by the end of the month,____?
a.mustn't b.hadn't he c.didn't he d.hasn't he

优质解答

he must have finished the work by the end of the month,____?a.mustn't b.hadn't he c.didn't he d.hasn't hemust的反义疑问句情况比较复杂陈述部分有must 的疑问句,疑问部分根据实际情况而定.　　A．must表示“...