Across
- 3. think hard
- 5. useful
- 7. fastest ground transportation system
- 8. personal computer
- 10. ticket price
- 11. after you go to bed
- 14. trouble
- 16. touch
- 17. understanding written words
- 18. electronic reader
Down
- 1. the highest speed
- 2. drug
- 4. hay fever
- 6. 100's
- 9. holds pencils
- 12. people love it
- 13. spring, summer, autumn, winter
- 15. virtual reality graphics