The study you have been making ________ the ancient Chinese characters is an instructive job. 
#28572
A
to
B
for
C
of
D
from
推荐题目
Many people are ________ as to what to do when there is a fire.
#25677
A
at a loss
B
at risk
C
at ease
D
at a distance
After finishing middle school, my sister did nothing ________ at home. 
#28862
A
but to read
B
but read
C
besides reading
D
except to read
I’m not going to say sorry to him, ___ I won't today.
#29061
A
At last
B
At most
C
At first
D
At least
Take a taxi,___________ you'll miss your train.
#28969
A
in
B
during
C
throughout
D
within