Of course, you can take the exam, as long as you get the self-taught diploma. Educational psychology and pedagogy can be taken in the exam. You also have to go to the local provincial language Committee to take the Putonghua exam, and you must pass Grade II or above. Of course, the premise is that you can buy books in large bookstores, such as Wenxuan. If all the above are passed, then you will have a trial lecture. If you pass the audition, you will have a better chance.