SUMMARY
 - The characteristics of the exam
 - Tasks you need to complete before you start writing: answers to the questions who, to whom, why, how, what
 - the different parts: contact details, date and location, subject, appeal form
 - the body of the text
 - polite way of saying
 - Signature
 - the specific characteristics of the letter to the Mayor
 - the specific characteristics of the administrative complaint letter
 - the specific characteristics of the letter to the school principal
 - two subjects of formal letters
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