Just prepare casually for the county. Read more books to prepare routines. Remember famous quotes and aphorisms. Remember typical questions. Remember 1-3 examples for each form. Talk more and practice. It is easier than the public. During the interview, smile at the examiner and be serious when answering. Look at the examiner's side. Look at his eyes, otherwise he will panic and look at his nose. Anyway, the nose and eyes are so far apart that people won’t know you are looking at him. Don’t read the draft