—May I use your computer?
—Sure, _____________
| A．cheer up | B．come on | C．go ahead | D．nothing |
—Would you mind giving your advice on how to improve our business management?
—If you make ________ most of the modern equipment, there will be ________ rise in production.
| A．不填；不填 | B．the; a |
| C．不填；a | D．the；不填 |
Have you got these jeans in ________ larger size? This pair is a bit too small around ________ waist.
| A．a; the | B．/; the |
| C．the; / | D．a; a |
Opening the door, Mrs. Summers found ________ family of ________ cats shut in the bathroom.
| A．a；不填 | B．a; the |
| C．the; 不填 | D．the; the |
—How about ________ party?
—Cool! It was really ________ great fun! Pity you weren’t there.
| A．a; a | B．the; a |
| C．the; / | D．a; / |
Most scientists seem to agree that ________ certain limit should be set on________ consumption(消费) of cars to ease air pollution.
| A．a; the | B．/; the |
| C．the; / | D．the; the |