Hundreds of students came to Shaoxing to work _______ the World Choir Games in 2010,
#50625
A
at
B
with
C
for
D
on
推荐题目
It’s so silly ________ people to buy and store so much salt. It’s necessary ________ them to learn more about salt.
#48882
A
for; for
B
for; of
C
of; of
D
of; for
