People _______the southwest of China were in great need of water a couple of months ago.
#51232
A
in
B
at
C
to
D
on
推荐题目
—How do you study____ a test? --I study____working_______my classmates.
#46667
A
for , in , with
B
for, by, at
C
for, by, with
D
of, in, by
