The collapse of the World Trade Center has put US economy in a difficult .
| A．occasion | B．case | C．situation | D．background |
It was very ________ of you to let us know you were going to be late in advance.
| A．considerate | B．confident |
| C．determined | D．generous |
Young children need ________.
| A．look after | B．looking after |
| C．being looked after | D．to look after |
In my opinion，it was ________ to read English newspapers every day.
| A．worth | B．worthwhile |
| C．worthless | D．worthy |
—Do you feel like driving out?
—No. I'd rather we ________ a taxi.
| A．take | B．taking | C．have taken | D．took |
—________ that makes her different from the other students?
—Honesty, hard work and, I suppose, a bit of imagination.
| A．What do you know | B．What do you think it is |
| C．How do you believe | D．How come that |