It must have raind yesterday,_________it?请将答案填在横线上

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Itmusthaveraindyesterday,_________it?请将答案填在横线上Itmusthaveraindyesterday,_________it?请将答案填在横线上Itmustha

It must have raind yesterday,_________it?请将答案填在横线上
It must have raind yesterday,_________it?请将答案填在横线上

It must have raind yesterday,_________it?请将答案填在横线上
didn't
must have done 表示的是对过去实事的肯定猜测,所以反义疑问用过去didn't

didn't
楼上的是对的、

must have rained 表示对过去事物的肯定推测。所以助动词用didn't

didnt