The Greens seldom go to the concert,________?
#65467
A
don’t they
B
do they
C
don’t he
D
do he
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Bob had little idea that his wife was in danger, _____?
#64593
A
didn’t he
B
did he
C
wasn’t she
D
was she
 He must be helping the old man to water the flowers,________?
#64494
A
is he
B
isn't he
C
must be
D
mustn't he