10句: 11. They don't go to bed until twelve o’clock 12. I’ll take some food with me in case I’m hungry on the journey 13. Every man has his hobbyhorse 14. Knowledge is power. 15. Practice makes perfect. 16. It is easy to pass the ball 17. It’s the most comfortable way to go to work by taxi 18. The doctor advises people to cultivate(开垦) a healthy life style 19. My father prefers boys to girls 20. No sooner than had we sat down than the concert began