In the opening paragraph, thank the recipient for considering you for the position and sending a job offer. A well written cover letter assures that your background, knowledge and skills meet the needs of the employer, based on the job description. -2-.Call or email the person who made you the written offer. Click on View job listing to see more information on the job. Find out how to get started on. When you receive a verbal job offer, ask for a written offer letter so you can review the information carefully. Read every question carefully. Police Officer Candidates must answer every question. There is a sample Answer in the back of this guide that you can use as a written. When I called HR back there was no response.