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
It’s generous _______ them to donate money to UNICEF. They think it important _______ them to help poor children go to school.
#48827
A
to; for
B
for; of
C
of; to
D
of; for
When it grows ________, it will grow ________ a strong animal.
#48404
A
up; up
B
up; into
C
into; into
D
into; with