Time words in Past Tense

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Across
  1. 1. yesterday
  2. 5. weeks
  3. 9. last year
  4. 10. last week
  5. 12. a lot of time
  6. 14. seconds
  7. 15. last night
Down
  1. 2. last summer
  2. 3. months
  3. 4. summer
  4. 6. days
  5. 7. years
  6. 8. minutes
  7. 11. the day before yesterday
  8. 13. hours