Now the air in our city is _______ than it used to be．Something must be done to stop it．
| A．very good | B．much better | C．rather bad | D．even worse |
——Why did Tan become interested in the sounds of nature?
——__________he thinks the best music comes from nature.
| A．Since | B．As | C．Because | D．For |
——Could you please tell me _____________?
——Yes, she came to teach here just last week.
| A．that she is a new teacher |
| B．when did she come here |
| C．what is wrong with her |
| D．whether she is a new teacher |
Most teenagers love fast food, but bad eating habits __________ fast food.
| A．go out | B．go beyond |
| C．go into | D．go over |
David’s dream in China is to go into the west and __________ an early childhood school there.
| A．make up | B．look up |
| C．set up | D．give up |
__________she is very old, __________ she can still work eight hours a day.
| A．Because； so |
| B．As； yet |
| C．Though； yet |
| D．Though； but |