The basic structure of a business letter includes:
A: heading
                    A: heading
举一反三
- In structure, business letters usually contain 11 basic components. They are the heading, , the inside address, the subject heading, , , the body of the letter, , , the signature and .
 - The basic structure of drafting an initial letter includes: ___________.
 - The structure of letter writing includes three parts.( )
 - The basic structure of this kind of writing is very simple. It includes ______.
 - Invitation letter writing includes: A: heading B: opening C: ody D: closing
 
