Our teacher is very kind to us. So we regard her ________our best friend.  
#50359
A
on
B
to
C
as
D
at
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Some of them are _________ Chinese style.
#48053
A
in
B
at
C
through
D
under
---________do you spend _English learning every day? ---For about an hour.
#50368
A
How long, in
B
How many times, on
C
How often, on
D
How long, on