you need to slow down a bit. It is really not about how many test you finished. It is about how much you take away from those tests. Sit down and review the mistakes you made. Put them down on paper and summary the points. To be honest with you, you are not ready for test in July as I can tell from your correct percentage. Thinkis more important than do.
People here will be willing to help you. Just rasie your question in test sections.