— Could you meet me at the airport?
— I'd like to，but I'm afraid I ______ a very important meeting when you return.
| A．am attending |
| B．was attending |
| C．will be attending |
| D．will have attended |
7. The manager meant ____ 
the workers that being 5 minutes late meant ____ the company.
| A．to tell, to leave | B．telling, leaving | C．to tell, leaving | D．telling, to leave |
6. Never waste anything, and ______ never waste time.
| A．first of all | B．after all | C．in all | D．above all |
5. China is a ______ country ______ to the third world.
| A．developed; belongs | B．developing; belongs |
| C．developing; belonging | D．developed; belonging |
4. —I’ll tell Mary about her new job tomorrow. —You ______ her last week.
| A．should have told | B．ought to tell | C．must tell | D．would have told |
3. After the efforts of the doctors, the boy is now out of ______.
| A．breath | B．control | C．danger | D．Breathe |