School vocabulary (orange paper, one word answers)

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Across
  1. 2. difficult
  2. 6. to teach
  3. 8. late
  4. 9. to need
  5. 12. essay
  6. 13. to study
Down
  1. 1. easy
  2. 3. to arrive
  3. 4. quiz
  4. 5. homework
  5. 7. exam
  6. 10. early
  7. 11. to answer