Stem changing verbs...in the preterite

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Across
  1. 3. I served
  2. 4. I ordered
  3. 8. I snacked
  4. 9. We repeated
  5. 12. You (pl form) slept
  6. 15. We preferred
  7. 17. My dogs died
  8. 18. You guys tasted
  9. 19. You (sing form) ordered
Down
  1. 1. They ordered
  2. 2. They obtained (got)
  3. 5. They preferred
  4. 6. You (sing fam) slept
  5. 7. I continued
  6. 10. My parents served
  7. 11. We followed
  8. 13. He died
  9. 14. Senora repeated
  10. 16. The waitress served