Across
- 4. - 第二.
- 6. - The one you like the most.
- 7. - Past events（事件）.
- 10. - Expressing（表达） a reason（原因）.
- 11. - Creative work
- 13. - Study of the natural(自然的) world.
- 14. - The week's fifth day.
- 16. - The week's second day.
- 18. - Complete（完成）.
- 19. not busy
Down
- 1. - The number that follows second.
- 2. - Educational class.
- 3. - Earth's landscapes（景观） and features（特色）.
- 5. - The weekend's first day.
- 8. - A topic studied in school.
- 9. - 有用的.
- 12. - The number that follows eleventh.
- 15. - The number that follows eighth.
- 17. - The twelfth month of the year.
- 19. - The second month of the year.