How To Write A Closing Paragraph Examples . However, avoid repeating the thesis verbatim. End your cover letter on a high note. PPT How to Write a Concluding Paragraph PowerPoint Presentation ID from www.slideserve.com Your closing sentence is your last word on the subject; Explain how to write an essay conclusion. If the letter is in a block format (all lines flush with the left margin), the closing line should also begin on the left.