Completa con el past participle

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Across
  1. 2. They had never .... in a tent before that trip.
  2. 4. She had never .... that song until yesterday.
  3. 6. She discovered that someone had ..... the last cake.
  4. 9. They had ..... the project before receiving approval.
  5. 10. The police had ..... the thief before midnight.
  6. 11. When I arrived at the station, the train had already...
  7. 12. Someone had .... my seat by the time I returned.
Down
  1. 1. He had .... to the manager earlier that day.
  2. 3. I had .... three chapters before losing my work.
  3. 5. They had ..... about the meeting until she called.
  4. 7. They had .... to Paris twice before moving there.
  5. 8. He had .... a better student by the end of the year.