Not everyone has realized what_______ important part the balance of________ nature plays in their life.
| A．an；the | B．/；the | C．an；/ | D．the；/ |
13. The foreman(工头) beat him _____ , and the other workers were very angry with him.
| A．red-blooded | B．black and white | C．red-handed | D．black and blue |
12. Although he was not _____ tired, he didn’t care _____.
| A．a little; a little | B．a bit; a bit | C．a little; a bit | D．a bit; a little |
11. How time flies! You should make _____ use of your time.
| A．best | B．the worst | C．good | D．the best |
10. East and west, home is _____.(prov.)
| A．best | B．worst | C．nearest | D．Farthest |
9. Some girls are _____; a few, but very few, are _____.
| A．beautiful; pretty | B．handsome; beautiful |
| C．pretty; beautiful | D．pretty; handsome |