I ________ walking in the garden _________ watching TV in the room.
| A．like; instead | B．would rather; than |
| C．prefer; to | D．prefer; rather than |
Time should be made full use of _________ ourselves.
| A．improving | B．to improve | C．for improving | D．improve |
Electricity ,like other forms of_________ ,has greatly increased in price.
| A．strength | B．force | C．power | D．energy |
In the good care of the nurses, the boy is _________ recovering from his disease.
| A．quietly | B．actually | C．frequently | D．gradually |
Ladies and gentlemen, please fasten your seat belts. The plane ________.
| A．takes off | B．has taken off | C．is taking off | D．took off |
The chairman thought ________ necessary to invite Professor Smith to speak at the meeting.
| A．hat | B．it | C．this | D．him |