They can buy the pens _____ a very good _____.
#51047
A
at, price
B
in, price
C
at, cost
D
at, selling
推荐题目
The young man wears glasses because he spends too much time _____ the computer.
#48396
A
to work, in
B
working, on
C
to work, on
D
working, in