摘要： -The ground is wet. -It must have rained last night, ? A. hasn’t itB. didn’t itC. mustn’t itD. isn’t it
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Look! the ground is wet. It must have rained last night, _______?
- A.hasn’t it
- B.didn’t it
- C.mustn’t it
- D.hadn’t it
Look! the ground is wet. It must have rained last night, _______?
| A．hasn’t it | B．didn’t it | C．mustn’t it | D．hadn’t it |