I did three hours today. One hour was on my HSK level 3 book, and I spent another hour listening using my HSK 4 book, and reading about HSK 4 grammar. I have realised that this is above my current level and I don’t have a full grasp of the basics. I’m getting ahead of myself. So, I’m going to step back and go back to HSK 3. I spent an hour listening to the CD from my HSK 3 textbook.