When the last prize had been awarded _____ everybody cleared off.
| A．and | B．so |
| C．or | D．不填 |
Our government is trying its best to ____the social security system to protect people’s rights．
| A．balance | B．reform | C．conduct | D．press |
Although the painting is very ____ pleasant, it is thought to be copied with a modern printing machine．
| A．visually | B．highly | C．physically | D．mentally |
The spokesman said that this was a（n）____negotiation （谈判） because it solved a lot of problems between the two sides．
| A．attractive | B．defensive | C．protective | D．productive |
Although the average reader spends more than 4, 000 pounds on books in their lifetime, 55 percent say they buy them for decoration and have no____of reading them．
| A．advantage | B．attempt | C．evidence | D．intention |
A warm thought suddenly came to me _______I might use the pocket money to buy some flowers for my mother’s birthday．
| A．if | B．when | C．that | D．which |