Across
- 3. people
- 6. the opposite of the host
- 10. succeed
- 13. 距离
- 14. from Monday to Friday
- 15. but
- 16. 正确地
- 18. feel good
- 19. people who invents things
Down
- 1. fun
- 2. 挑战
- 4. Chinese people use them to eat
- 5. Alexander Graham Bell
- 7. Britain
- 8. 对比
- 9. _____ on
- 10. at a ____ of
- 11. a kind of animal that has died out
- 12. place an _____
- 13. 开发；研制
- 14. one of the greatest inventions in history
- 17. 意识到