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
 Some people are walking _______ the bridge and some boats are going _______ the bridge. 
#49364
A
across, across
B
over, through
C
through, through
D
through, over
Who is it _______? 
#48374
A
for
B
by
C
of
D
use