Level Up 7 Main text 6 English clues

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Across
  1. 3. an instruction you must follow
  2. 5. a flat piece used on floors or walls
  3. 6. to become part of a group
  4. 8. in fact, really
  5. 9. subjects taught in school
  6. 12. something that shows what something is like
  7. 14. not including
  8. 15. things like computers, phones, TVs
  9. 17. any person
  10. 19. a structure with walls and a roof
  11. 20. quite, a little bit
  12. 21. easy to see or understand
Down
  1. 1. on a computer, not real life
  2. 2. becoming liquid (like ice in the sun)
  3. 3. true, not fake
  4. 4. very, very old
  5. 7. easy, not difficult
  6. 8. very good
  7. 9. to make something new
  8. 10. also, used to show surprise
  9. 11. to act unfairly to win
  10. 13. most likely
  11. 16. a word that expresses "it is a good idea to"
  12. 18. before the usual time