—The ground is wet. —It must have rained last night, ______.
A: hasn't it
B: didn't it
C: mustn't it
D: isn't it
A: hasn't it
B: didn't it
C: mustn't it
D: isn't it
举一反三
- --The ground is wet. --It must have rained last night,( )?( ) A: mustn’t it B: didn’t it C: hasn’t it D: isn’t it
- —The ground is wet. —It must have rained last night, ______. A: hasn’t it B: B. didn’t it C: C. mustn’t it D: D. isn’t it
- It must have rained last night,（）? A: didn’t it B: needn’t it C: mustn’t it D: hasn’t it
- It must have rained last night, ______ it A: mustn' t B: can' t C: didn' t D: needn' t
- It must have rained yesterday evening, _____ it? A: mustn’t B: needn’t C: didn’t D: hasn’t