Upvote:4
The immigration office may ask if you’ve ever overstayed a visa. Given that OPT status is usually only given for 12 months (extensions are possible for some students upon application) and you state you’ve been on OPT for three years, you may need to prove that you did not overstay by showing that you’ve been in status the entire time.
They may also be concerned that if your OPT status has ended and you don’t have a job to go back to, you may be trying to illegally work. So you want to bring proof of employment.