As we’re students，we________obey the school rules．
| A．can |
| B．may |
| C．must |
| D．could |
There is _____ pollution in the world. We must stop it.
A. much too B.too much C. too many
—Where is your father?
— He Shanghai on business.
A. has gone to B. has been to C. has been in
There ____ some meat in the fridge, so you don’t need to buy any.
| A．be | B．is | C．are | D．will be |
Tony wanted to take some good photos,______ he lost his camera.
| A．but | B．and | C．or | D．so |
Liu Xiang was born in Shanghai _____1983.
| A．on | B．at | C．to | D．in |