Some questions might ask about the student's long-term professional goals, how they intend to pay for their education, and why they selected a specific program or school. Applicants can make a good impression on the interviewer by preparing inslots machines for freetelligent answers that demonstrate their sincere interest in and dedication to their studies. Students must prepare and submit a number of necessary documents as part of the application process for an F1 Visa. Form I-20, which verifies acceptance into a full-time program of study, is the most important document that the SEVP-approved institution issues. A valid passport that is valid for at least six months after the applicant's planned stay in the United States is also required.