2A vocab puzzle

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Across
  1. 4. difficult
  2. 7. easy
  3. 10. to study
  4. 11. to teach
  5. 12. ninth
  6. 13. eighth
  7. 14. tenth
  8. 15. fifth
Down
  1. 1. Seventh
  2. 2. first
  3. 3. to talk
  4. 5. fourth
  5. 6. third
  6. 8. sixth
  7. 9. second