What is b1 b2 English test?

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  1. #levels
  2. #ability
  3. #language
  4. #european
  5. #languages
  6. #referred
  7. #common
  8. #cefrl
  9. #europe
  10. #international
  11. #standard
  12. #established
  13. #within
  14. #validate
  15. #council
  16. #framework
  17. #often
  18. #reference
  19. #working