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(2013·甘肃河西五市一模)Look! The ground is wet. It must have rained last night, ?A.hasn'

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(2013·甘肃河西五市一模)Look! The ground is wet. It must have rained last night, ?A.hasn'

(2013·甘肃河西五市一模)Look! The ground is wet. It must have rained last night, ________?

A.hasn't it B.hadn't it
C.mustn't it D.didn't it

试题答案

D

解析