—Do you know Ann Watterson very well?
—Yes, she used to be ______ coach and in ______ charge of our school team.
| A．a; the | B．the; the | C．a; 不填 | D．不填; 不填 |
We have every reason to believe that ____ 2010 World Expo in Shanghai will be ______ success.
| A．/; a | B．the; / |
| C．the; a | D．a; a |
____ the floor, I found his pen lying on the ground.
| A．While sweeping | B．While swept |
| C．If sweeping | D．If swept |
To master a foreign language, ______.
| A．a lot of practice is needed |
| B．it needs a lot of practice |
| C．practice is in need of |
| D．one needs a lot of practice |
With a lot of difficulties _______, they went to the seashore and had a good rest.
| A．settled | B．settling |
| C．to settle | D．being settled |
It is difficult to imagine his ______the decision without any consideration.
| A．accept | B．accepting |
| C．to accept | D．accepted |