This new kind of chemicals will help keep the air, soil and water________ from pollution.
| A．free | B．empty | C．loose | D．short |
A new library downtown. They hope to complete it by the end of this year.
| A．is being built | B．has been built | C．will be built | D．is building |
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 |