business english

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Across
  1. 6. if you want to invite someone for an event you write this letter
  2. 7. "Best ... "
  3. 8. a letter in which you feel sorry about something and apologize
  4. 10. you congratulate and wish something in this letter
  5. 11. punctuation "_"
Down
  1. 1. you give a response to a complaint letter
  2. 2. you confirm some details in this letter
  3. 3. a letter that you send with something, to explain why you are sending it
  4. 4. @
  5. 5. you are not satisfied with something and you write this letter
  6. 9. yours ...
  7. 12. a letter in which you ask for something