IRREGULAR VERBS part 2

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Across
  1. 3. COST
  2. 4. GET
  3. 5. BUILD
  4. 7. EAT
  5. 10. THINK
  6. 12. SAY
  7. 13. BREAK
  8. 15. LOSE
  9. 17. GIVE
  10. 18. UNDERSTAND
  11. 21. HEAR
Down
  1. 1. PUT
  2. 2. BUY
  3. 5. BEGIN
  4. 6. MEET
  5. 8. GET
  6. 9. CHOOSE
  7. 11. DO
  8. 14. KNOW
  9. 15. LEAVE
  10. 16. WIN
  11. 19. READ
  12. 20. DRINK