Look! the ground is wet. It must have rained last night, _______?
#64817
A
hasn’t it
B
didn’t it
C
mustn’t it
D
hadn’t it
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—I don't imagine Russ and his poor dog had a good time on the deserted island，________？—I have no idea.
#64455
A
didn't they
B
do you
C
did they
D
hadn't they
Is the backpack on the desk? _____________.
#60344
A
No, it is.
B
Yes, it isn’t.
C
Yes, it is.
D
No, it’s no.