Us & Them - test your memory

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Across
  1. 2. the opposite of up
  2. 5. simple past of 'to know'
  3. 6. the opposite of us
  4. 10. "from the rear" - opposite of rear
  5. 11. opposite of 'in the end' 2+3+9 letters
  6. 13. the opposite of forward
  7. 16. the opposite of 'died'
  8. 17. we cut bread and cake into ------
  9. 18. the simple past of to 'hear'
  10. 20. colour representing death
Down
  1. 1. an instrument that can kill
  2. 3. the opposite of inside
  3. 4. important position in the army
  4. 7. plural of man
  5. 8. a synonym for to 'hear'
  6. 9. a person who is typical, not special, a Joe Soap
  7. 12. a synonym for a big fight
  8. 14. 'W' question when I want to know if it is this one or that one
  9. 15. I've got something on my mind means to be -----ing about something
  10. 19. the opposite of admit