B2_Unit 3

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Across
  1. 4. astronaut
  2. 9. rocket
  3. 11. platform
  4. 14. cooperate
  5. 15. tube
  6. 18. voyage
  7. 19. incomplete
  8. 20. high-speed train
  9. 22. take off
  10. 26. overpopulated
  11. 29. spacecraft
  12. 30. launch
  13. 31. crew
Down
  1. 1. miscalculate
  2. 2. traffic jam
  3. 3. space station
  4. 5. subway
  5. 6. gate
  6. 7. underpaid
  7. 8. incapable
  8. 10. journey
  9. 12. orbit
  10. 13. underground
  11. 16. overbook
  12. 17. disobey
  13. 21. unexpected
  14. 23. motorway
  15. 24. illogical
  16. 25. sub-zero
  17. 27. passenger
  18. 28. trip