Sanya is a beautiful city. There are many people here _________vacation every year.
#47648
A
in
B
on
C
for
D
to
推荐题目
I am so tired today. I swam _____ the river in the morning and I walked ____ the forest in the afternoon.
#49666
A
through, through
B
across, across
C
across, through
D
through, across
