Irregular verbs - past simple

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Across
  1. 3. see
  2. 4. sleep
  3. 5. sing
  4. 7. read
  5. 10. break
  6. 12. run
Down
  1. 1. fly
  2. 2. speak
  3. 3. sit
  4. 4. swim
  5. 6. give
  6. 8. eat
  7. 9. drink
  8. 11. write