| 1. | There are at present four television channels .
现在有四个电视频道。 |
| 2. | There are four items on the agenda of the meeting .
会议有四项议程。 |
| 3. | Nine minus four is five . take four from nine is five .
九减四得五。 |
| 4. | These four causes do not operate singly .
这四个原因并不单个起作用。 |
| 5. | They drew as many as four times that year .
他们那一年四次打成平局。 |
| 6. | You will need an injection every four hours .
你要每隔四小时打一针。 |
| 7. | I'll tend to you four in the morning !
等我明儿早晨来打发你们四个罢！ |
| 8. | These four vitamins act in coenzymes .
这四种维生素在辅酶中起作用。 |
| 9. | The ship had left lisbon four days earlier .
轮船四日前已驶离里斯本。 |
| 10. | He has been to the four corners of the country .
他已到过全国各地。 |
