Teacher

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Across
  1. 3. Physics
  2. 6. Wastebasket
  3. 8. Because
  4. 10. Psycology
  5. 11. To have dinner
  6. 12. History
  7. 14. Business administration
  8. 16. Economics
  9. 17. Biology
  10. 19. English
  11. 20. Mathematics
Down
  1. 1. To have breakfast
  2. 2. Library
  3. 4. Computer science
  4. 5. Next to; besides
  5. 7. Bookstore
  6. 9. To the right of
  7. 13. Chemistry
  8. 15. To the left of
  9. 18. To arrive