—My mother is ill in hospital. I have to look after her. — .
| A．It doesn't matter |
| B．I'm sorry to hear that |
| C．Not at all |
| D．OK |
Take a boat trip, ________ you will be attracted by the beauty of the Li River.
| A．and | B．or | C．so | D．but |
Don’t leave your seat ________ all the papers have been collected by the teacher.
| A．after | B．when |
| C．since | D．until |
Mr. White can always make us relaxed. He is _________ teacher I have ever met.
| A．the most humorous | B．most humorous |
| C．the more humorous | D．a humorous |
Both of my sisters are teachers. One is a Chinese teacher, and ________ teaches English.
| A．another | B．the other |
| C．other | D．the others |
Those who are responsible ________ the death in the plane crash should be punished.
| A．to | B．with | C．for | D．of |