| 1. | He proved the existence of parallel lines . 他证明了平行线的存在性。 |
| 2. | He lined out a few songs upon request . 他在大家请求之下唱了几首歌。 |
| 3. | She hung the washing on the line to dry . 她把洗好的衣服晾在绳子上。 |
| 4. | He was always careful to toe the party line . 他一直很服从党的命令。 |
| 5. | She read a few lines and dropped the volume . 她读了几行,合上书本。 |
| 6. | Line up the glasses , and i 'll fill them . 把玻璃杯排好,我来斟酒。 |
| 7. | The three villages are on the same line . 这三个村庄在同一条直线上。 |
| 8. | The broad lines on the map correspond to roads .. 图上粗线表示道路。 |
| 9. | The actor has learned off his lines . 那位演员已经把他的台词背熟了。 |
| 10. | Red lines were drawn under the topic sentences . 主题句下都画了红杠。 |