They had to operate _______his arm because it was broken in two places.
#50649
A
with
B
/
C
at
D
on
推荐题目
—It’s a pity that I can only live here for two days _______.—Why not stay for another day? I know you have three days off.
#46803
A
at first
B
at last
C
at least
D
at most
