摘要： -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
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-The ground is wet.
-It must have rained last night,_____?
-It must have rained last night,_____?
[ ]
A. hasn't it
B. didn't it
C. mustn't it
D. isn't it
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B. didn't it
C. mustn't it
D. isn'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
查看习题详情和答案>>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
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