----Hello, may I have an appointment with the headmaster?
---_____.
| A．Sorry, he is busy at the moment | B．No, you can’t |
| C．Certainly. Wait a minute, please | D．Let me see |
How can you expect to learn anything___you never listen?
| A．in case |
| B．even if |
| C．unless |
| D．when |
___and I’ll get the work finished
| A．Have one more hour |
| B．One more hour |
| C．Given one more hour |
| D．If I have one more hour |
Follow your doctor’s advice___your cough will get worse
| A．or |
| B．and |
| C．then |
| D．so |
The young people consider ___a computer ,which is condiered___a great help in their work
| A．to buy;to be |
| B．buying;to be |
| C．to buy;being |
| D．buying;being |
Columbus was considered___the great land of America
| A．to discover |
| B．to have discover |
| C．discovering |
| D．having discovered |