There is a police car our school bus. The policemen are watching the traffic.
A. in front of
B.in the front of
C. in the front
Yi Zhongtian’s simple and interesting explanation of history has _________ lots of TV viewers.
| A．caused | B．attacked | C．tested | D．attracted |
Studying in a foreign country is a different _________ and you can learn a lot.
| A．event | B．exercise | C．experience | D．exhibition |
Qinghai-Tibet Railway(青藏铁路) was completed last year. It is the __________ railway that connects Tibet with the other parts of China.
| A．first | B．second | C．third | D．fourth |
Sandra works in a big factory. She’s_________worker.
| A．a | B．the | C．some | D．/ |
China is developing _________ of all the countries in the world．
| A．fast | B．faster | C．fastest | D．the most fast |