It’s careless ________ him to make the same mistake again. I think it important ________ him to be more careful next time.
#46107
A
for; for
B
for; of
C
of; of
D
of; for
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---________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