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

Kate is not good ___ English but she does very well __ Biology.

It was very silly ___  you to take in what he said. He is a liar!

He suddenly return ___ a stormy night.

__________! There comes a train!

The car runs ___ a very high speed and directly hits the tree beside the street.

The old man ___ a blue sweater is our new headmaster.

___ the beginning of the meeting, the president made a speech ___ how to reduce pollution.