Look!The ground is wet.It must have rained last night,________?A.hasn’t itB.didn’t itC.mustn’t itD.h

题目简介

Look!The ground is wet.It must have rained last night,________?A.hasn’t itB.didn’t itC.mustn’t itD.h

题目详情

Look!The ground is wet.It must have rained last night,________?
A.hasn’t itB.didn’t it
C.mustn’t itD.hadn’t it
题型:单选题难度:中档来源:不详

答案

B

由last night及must have rained可知此处是对过去情况的猜测,下雨是过去的事实,所以反意疑问句的助动词用did,并且根据前肯后否的原则,反意疑问句应该用否定形式,C项正确。句意为:看!地面湿了,昨天晚上肯定下雨了,不是吗?

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