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The ground is wet all over, so I’m sure it must have rained last night, ?A.wasn’

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The ground is wet all over, so I’m sure it must have rained last night, ?A.wasn’

The ground is wet all over, so I’m sure it must have rained last night, ________?

A.wasn’t itB.didn’t itC.isn’t itD.doesn’t it

试题答案

B

解析