People who eat a balanced diet should be healthier than those who only eat biscuits and hamburgers, ______?
#68993
A
don’t they
B
do they
C
shouldn’t they
D
should they
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The boy has to stay at home to look after his litter sister, __________?
#69569
A
does he
B
has he
C
doesn’t he
D
hasn’t he
I really don’t know ______________.
#70234
A
where to travel to
B
how to solve
C
what to do it
D
who to talk to