Paper-making is one of _______ of ancient China.
| A．greatest inventions | B．the greatest invention |
| C．greatest invention | D．the greatest inventions |
—The doctor told me not to eat too much，but I find it difficult．
—The doctor is right．________you eat，________you will be．
| A．The less；the healthier |
| B．The less；the more healthier |
| C．The more；the healthier |
| D．The more；the more healthier |
—Dad，must we wait until the light becomes green？
—Yes，I’m afraid we________．That’s the traffic rule．
| A．can |
| B．may |
| C．have to |
| D．need |
The math teacher got angry with me because I did not________what he said in class yesterday．
| A．look for |
| B．take care |
| C．pay attention to |
| D．fall asleep |
—Jimmy，it’s time to go to bed．
—Oh，I won’t do that________I finish my homework．
| A．if |
| B．before |
| C．after |
| D．when |
You don’t have to________every new word in the dictionary while reading．
| A．look for |
| B．look up |
| C．look at |
| D．look after |