This new kind of chemicals will help keep the air, soil and water________ from pollution.
| A．free | B．empty | C．loose | D．short |
– I have a very bad cold.
--- Well, have you ever heard of a saying which goes “_______ a cold and starve a fever?”
| A．feeding | B．to feed | C．fed | D．feed |
._______ lying on the floor, the old man was immediately taken to hospital.
| A．Finding | B．Being found | C．Found | D．Having found |
The boy is not ________ he used to be; he looks ________.
| A．what; strong | B．what; stronger | C．that; strong | D．that; stronger |
_______ from his family for over two years, he is now eager to go back home.
| A．Having been separated | B．Being separated |
| C．Separating | D．Having separated |
When speaking in public, __________.
A. speech should be understood
B. B. speech should be easy to understand
C. one should make himself understood
D. one should make listeners understand