B5M6-B6M1

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Across
  1. 5. be important or useful to do
  2. 6. not formal or official
  3. 7. the natural environment where an animal lives
  4. 10. an official request of sth. in writing
  5. 13. a person who buys goods
  6. 14. the main point of attention
  7. 17. having things in good order
Down
  1. 1. not now existing
  2. 2. a part of sth. larger
  3. 3. chance
  4. 4. happening before an event
  5. 8. at the same time
  6. 9. a fight
  7. 11. sth. valuable given to sb. as a reward
  8. 12. the act of saying sorry
  9. 15. a place;v.to see sth.
  10. 16. a company;adj.not soft