Essay that presents arguments about both sides of an issue c is a genre of essay

letter, written in formal language, in the stipulated format, for official purpose

B)  referred to as a friendly letter, is a personal letter written to friends or relatives. It is written in personal fashion. You can write it to anyone with whom you have a non-professional relationship

C)  a type of letter written to address any type wrong doing, offence, grievance, resentment arising out of a product, service 

D) a type of letter or simply reference, is a document in which the writer assesses the qualities, characteristics, and capabilities of the person being recommended in terms of that individual's ability to perform a particular task

13 How we should start beginning of formal letter?

A) To My Lily

B) Dear John

C) Dear sir or madam,

D) I look forward to