Please take the following placement test. Do not restart your test... the point is for me to see what you know so that I can best help you expand your Spanish knowledge!
http://www.transparent.com/learn-spanish/proficiency-test.html
Things you can do to continue improving your Spanish:
Use FREE RICE to continue building your Spanish vocabulary
Read novels of interest to you in Spanish
Review units covered in Spanish II or III
Get additional grammar review
Review vocabulary studied in Spanish III
Find fun music, comic, and movie trailers in Spanish
Practice your lyrics to Spanish songs