We can’t go on with the experiment because the computer_________.
| A．hasn’t been repaired | B．hasn’t repaired |
| C．is not repaired | D．hadn’t been repaired |
The company has just launched an advertising campaign to ____ their newly produced bicycles.
| A．advocate | B．urge | C．motivate | D．promote |
The new research center will be set up was a wasteland 20 year ago.
| A．in what | B．where | C．in which | D．there |
--How are your business goes wrong?
---But I have done all that is by law.
| A．required | B．judged | C．requested | D．desired |
—What happened over there?
—They argued________the waiter________the price of the meal.
| A．to；for | B．against；over | C．for；at | D．with；about |
She will tell us why she feels so strongly that each of us has a role _____ in making the earth a better place to live.
| A．to have played | B．played | C．playing | D．to play |