Which of the following parts of business correspondence is optional?
举一反三
- Which of the following are optional parts of an English business letter? ( ) A: Reference B: Signature C: Attention line D: Subject line
- Which of the following expression of date is not proper in business correspondence?
- Which one of the following is the optional part of a business letter?
- All the following are optional parts of a business letter except______. A: Attention Line B: Enclosure Notation C: Complimentary Close D: Postscript
- The following contents are introduced in Business English Correspondence, expect .