Travel 7.1,7.2 Some are vocabulary words, others are phrases to be completed with a verb.

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Across
  1. 4. the process of becoming more active about protecting the environment
  2. 5. ...for a visa
  3. 7. ...a car
  4. 11. dirty air,soil or ocean
  5. 12. money paid for a journey
  6. 13. ...online reviews
  7. 16. easy and quick to use
  8. 20. ...the area
  9. 21. ...your accommodation
Down
  1. 1. petrol/diesel
  2. 2. ...jams, when cars don't move
  3. 3. ...the local food
  4. 6. ...by the pool
  5. 8. ...the local culture
  6. 9. regular and efficient
  7. 10. ...travel insurance
  8. 14. ...foreign money
  9. 15. ...sightseeing
  10. 16. full of people
  11. 17. a ticket which gives you a number of journeys
  12. 18. transport buses,trains,etc. that everyone can use
  13. 19. ...your flight