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Thegroundiswet.IThegroundiswet.Itmusthaverainedlastnight,it?[]A.hasn'tB.mustn'tC.didn'tD.hadn't

题目详情
The ground is wet.I
The ground is wet.It must have rained last night,_____ it? [     ]
A.hasn't    
B.mustn't    
C.didn't    
D.hadn't
▼优质解答
答案和解析
C