Read the following topics. Then say what type and style of letter each one require?

1. Write a letter to a friend telling him/her about a party you have recently been to, describing an interesting person that you met there.
2. You had an unpleasant experience while traveling abroad. Write a letter to a friend describing your experience and explaining why you will think twice before going abroad alone again.
3. You are in Paris and want to hire a car when you realise you have left your driving licence at home. Write a letter to your brother or sister asking for it to be sent to you by post. You should explain in your letter where it can be found and why you need it.
4. You have to leave your present your job due to your family problems. Write a letter to your boss explaining why you have to leave the job, expressing regret and asking for a reference.