| 1. | The actor has learned off his lines . 那位演员已经把他的台词背熟了。 |
| 2. | Have you learnt your lines yet ? 你的台词背熟了吗? |
| 3. | Have you learnt your part yet ? 你的台词背熟了吗? |
| 4. | The students have learned many new words by heart 学生们已背熟很多新单词了。 |
| 5. | Can you learn off the part by the end of the week 你能在本周末之前背熟这部分吗? 。 |
| 6. | It took me an hour to memorize the answers 背熟这些答案花了我一个小时。 |
| 7. | First of all , learn the formula by heart 首先,把这个公式背熟。 |
| 8. | You should learn these words by heart 你应该把这些词背熟。 |
| 9. | Not only the students but also the teacher has to memorize the text 不仅学生而且老师都要把课文背熟。 |
| 10. | You should learn these words by heart 你应该把这些词背熟 |