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

发布时间:2020-08-17 10:07:15

Look!The ground is wet.It must have rained last night,    ?
A. hasn’t it
B. didn’t it
C. mustn’t it
D. hadn’t it

网友回答

A. hasn’t it
(答案→)B. didn’t it
C. mustn’t it
D. hadn’t it
解析:
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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