Choose a few phrases in the opening paragraph that let your reader know what to expect in the body of the letter. These instructions must be followed exactly.Fill out application form completely. The application should be completed on a computer; it does not work well on a phone or tablet. Filling Out a Job Application. Upon completion of these materials, students will know what applications are used for and tips to prepare and complete them. Review our materials below to learn how to write and format resumes, CVs, and cover letters as well as tailor them to specific job descriptions. The purpose of a cover letter is to make a compelling case for yourself as a candidate for a particular job, and it complements what's in your resume. Showing my students the basics to filling out an employment application. A cover letter is a document that goes with your resume and job application.