—How did you like the lecture tonight?
—Very __________. I doubt if I will come to this kind of lecture next time.
| A．encouraging |
| B．encouraged |
| C．disappointing |
| D．disappointed |
—I'm going to the concert tonight.
—I'm likely to go out too. Bring the keys with you __________ I'm out.
| A．if |
| B．when |
| C．in case |
| D．as |
The application of media __________ education is beneficial __________ the students.
| A．on; on |
| B．to; to |
| C．about; to |
| D．to; of |
Most of the people __________ to the party were famous scientists.
| A．invited |
| B．to invite |
| C．being invited |
| D．inviting |
The murderer was brought in, with his hands __________ behind him.
| A．being tied |
| B．having tied |
| C．to be tied |
| D．tied |