Every possible means ______ to prevent the air pollution, but the sky is still not clear.
| A．has been used | B．have been used | C．is used | D．are used |
Ever since that political congress last year took many effective measures to develop economy, great changes of peo ple’s life have .
| A．came to power; taken place |
| B．came to power; been taken place |
| C．coming to power; been taken place |
| D．coming to power; taken place |
You’re fortunate enough to escape for drunken driving, but don’t drink again.
| A．fining | B．to fine | C．being fined | D．to be fined |
Liu Xiang found himselfby reporters and his fans on his arrival at the airport.
| A．surrounding | B．surrounded |
| C．being surrounded | D．to surround |
The teacher was worried about the boys in her class, for they spent ______ time playing computer games.
| A．large amount of | B．a large number of |
| C．a large amount of | D．large numbers of |
Grace doesn’t want to move to New York because she thinks if she _____there ,she wouldn’t be able to see her parents very often.
| A．lives | B．would live | C．has lived | D．were to live |