In the swimming pool

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Across
  1. 4. not safe
  2. 7. a danger to stay under water forever
  3. 8. jumping down into water
  4. 11. get sb. into a risk
  5. 14. marks are shown on somewhere
  6. 16. make you notice and watch
  7. 17. slide or move out of position
Down
  1. 1. marks
  2. 2. force all people
  3. 3. have a game near a huge public bath
  4. 5. to cry to watchmen for help
  5. 6. make unhappy and sad
  6. 9. check
  7. 10. cause spasms inside the body
  8. 12. be out of danger
  9. 13. do what somebody tells you
  10. 15. do what you must do