Our school has a school trip ________ October 15th. 
#46969
A
at
B
on
C
in
D
for
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---Let’s go hiking __________ staying at home, shall we? --- A good idea.
#46499
A
as well as
B
in order to
C
instead of
D
because of
Be polite ____ others! 
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A
to
B
at
C
about
D
on
His father and mother often argue_________ what TV programmes _________.
#48583
A
with; watching
B
about; watching
C
with; to watch
D
about; to watch