They are a good time at the park now.
They are doing much better ___ Math ___ the help of their teacher.
South Korea is ___ the east of China.
The pupils will go to the museum ___ foot and come back ___ bus.
—There are so many cars on the road. You should obey the traffic rules and go ___the zebra. —OK. I will follow your advice. A. cross B. across C. through D, around
—There is a large beautiful bridge ___ the river in this town