Teachers have to constantly update their knowledge in order to maintain their professional ___.
| A．consequence |
| B．independence |
| C．competence |
| D．intelligence |
--- Can you tell me how to learn English well?
--- Do more speaking, I think, you’ll be good at spoken English.
| A．or | B．for | C．and | D．until |
from heart trouble for years, my grandma has to take some medicine with her wherever she goes.
| A．Suffered | B．Suffering | C．Having suffered | D．Being suffered |
At first, the company had 15 notebook computers but only one – third used regularly. Now we have over 60 working all day long.
| A．were | B．are | C．was | D．is |
You are not in good health, I think. You could improve your by running every day.
| A．position | B．situation | C．energy | D．condition |
The conference had been held to discuss the effects of tourism the wildlife in the area.
| A．in | B．on | C．at | D．with |