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It last night, for the ground is wet now.A.might not have rainedB.must have rainedC.couldn't ha

编辑:chaxungu时间:2026-04-24 13:02:20分类:高中英语题库

It____lastnight,forthegroundiswetnow.
A.might not have rainedB.must have rainedC.couldn't have rainedD.rained在线课程B
对过去的事情肯定推测应用:must have +过去分词。