—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
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We don’t suppose he has achieved his goal, _________?
#64739
A
has he
B
do we
C
don’t we
D
hasn’t he
---Are you his uncle?---              
#60075
A
Yes,he is
B
Yes,he’s
C
Yes,I’m
D
No,I’m not