Unit 8. What's the big idea?

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Across
  1. 4. Upper part of the room
  2. 7. The way you act, do different things
  3. 8. Not interested
  4. 10. All people and things around you
  5. 12. Maybe
  6. 13. Not interesting
  7. 14. Dialogue
  8. 15. Investigation, research
  9. 22. Very frightening, dangerous
  10. 24. A date when smth important happened some time before
  11. 26. Not darkness
  12. 27. To make smth better, for example your knowledge, you business plan
Down
  1. 1. Side part of the room
  2. 2. person
  3. 3. The final time when you can do smth
  4. 5. The part of the room where you stand
  5. 6. Ad
  6. 9. In the end
  7. 11. Possibility
  8. 15. To propose
  9. 16. Glass where you can see yourself
  10. 17. Sure person, when he knows what he wants
  11. 18. The combination of colours and shapes
  12. 19. Worried
  13. 20. A person who stays in hospital
  14. 21. To give smth, to supply
  15. 23. Something that you can receive for doing smth important, good
  16. 25. Cause, (or explanation of some action)