To make contributions to the protection of the environment, the company encourages its workforce to make the _______ to alternative means of transportation such as carpooling or biking to reduce air pollution.
| A．switch | B．conclusion |
| C．variety | D．enquiry |
25．Why didn’t you tell me there was no meeting today? I all the way here the heavy snow.
| A．needn’t have driven; through | B．can’t have driven; across |
| C．mustn’t have driven; through | D．shouldn’t have driven; cross |
24．For quite students, their teacher’s advice is more important than of their parents.
| A．few; one | B．a few; that | C．a little; some | D．a lot; many |
23．He is neither European, nor American. He is from Australia.
| A．a; an; 不填 | B．a; an; the | C．a; a; 不填 | D．an; an; 不填 |
22．The music he is playing sounds .
| A．nicely | B．sweetly | C．pleasantly | D．lively |
21．--- May I take your order now?
--- .
| A．No, I’m in trouble now | B．Yes, we obey orders |
| C．Yes, I’d like a dish of chicken | D．No, I don’t have a choice of meat |