Look! The ground is wet. It must have ra
题型:选择题
问题:
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
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