--- Sorry, sir. I made a mistake again.
--- ________. Practice more and you will do better.
| A．Never mind. | B．I’m not sure. |
| C．You’re welcome. | D．Don’t mention it. |
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 |