Group 5

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Across
  1. 5. move smoothly over a surface
  2. 6. form an opinion from facts or evidence
  3. 7. a wonderful thing; feel great surprise or admiration
  4. 11. a person who uses violence for political purposes
  5. 13. a period of time in history
  6. 14. full of people
  7. 15. make sth less strong
  8. 17. likely to be successful
Down
  1. 1. watch sb/sth carefully
  2. 2. describing sth
  3. 3. being the only one of its kind
  4. 4. be in charge of a group of people
  5. 8. use violence to hurt sb
  6. 9. a way from one place to another
  7. 10. without getting tired
  8. 11. grow or develop well
  9. 12. worry about sth
  10. 15. make sth worse
  11. 16. agree that sth is true
  12. 18. a weapon that fires bullets