- Didn't the robot have a rest?-_______. Because it never gets tired.
#59746
A
No, it did
B
Yes, it did
C
No, it didn't
D
Yes, it didn't
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(2014·厦门适应性考试)Mr Wang must have watched the film So Young last night,________?
#64451
A
mustn’t he 
B
hasn’t he
C
didn’t he 
D
needn’t he
This is the first time that your parents have been abroad, ______?
#64913
A
haven’t they
B
hasn’t it
C
aren’t they
D
isn’t it