verbs

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Across
  1. 2. to grow or change and become more advanced
  2. 4. to stop something from happening
  3. 7. to design or create something that has never existed before
  4. 8. to make water or air dirty
  5. 9. to arrange to have a seat somewhere like aircraft or hotel
Down
  1. 1. to respect or love someone
  2. 3. to heep someone interested and have enjoyable time
  3. 5. to tell people something officially
  4. 6. to say or show that sth is true
  5. 7. to get better