It was on July 1, 2006 ___ Qinghai-Tibet railway began operation, ____ is a symbolic project in China’s West Development Strategy．
| A．when; that | B．that; when | C．which; when | D．that; which |
The dispute _______an argument between a worker and the foreman.
| A．because of |
| B．resulted in |
| C．came by |
| D．grew out of |
The Chinese ship，Tianyu 8，was reported _______off the east coast of Kenya in November,2008.
| A．to be attacked |
| B．to have been attacked |
| C．to be attacking |
| D．to have been attacking |
Our house has reached the point ________so many things need _______and it's so hard to find the time to fix them.
| A．at which；to do up |
| B．that；doing up |
| C．on which；to put up |
| D．where；putting up |
The government will force companies to ________any possible measures to reduce air pollution.
| A．adjust |
| B．adopt |
| C．adapt |
| D．accept |
It is important to keep ________in an emergency.
| A．quiet |
| B．calm |
| C．silent |
| D．still |