The three main types of listening most common in interpersonal communication are: Informational Listening (Listening to Learn) Critical Listening (Listening to Evaluate and Analyse) Therapeutic or Empathetic Listening (Listening to Understand Feeling and Emotion)
Study, study, study! I can’t really tell you what not to study, but focus most on subjects you aren’t the best at. Say your best subject is history. You don’t want to study hard on history when you already know all that. Study your weak points. Good luck, and I hope this answers your question!