I would start looking at your lover scoring areas such as Executing and Closing, based on what you supplied below. I would re-read those sections in the PMBOK and any other supplemental material you are using. I would also review the previous practice test questions that you got incorrect and understand the reason why they were wrong. This was the approach I used in prepping for the exam. You should also continue to take more practice tests as well.
Moderators: Yolanda Mabutas, Ahmed Amin, Scott Gillard, Mary Kathrine Padua, ERIC BARTLETT, Gail Freedman, Kevin Nason, Steven Mudrinich, PMP, Mark Wuenscher, PMP, John Wolverton, Tracy Shagnea, PMP, Jada Garrett
This interview with Simona Fallavollita (LinkedIn Profile) was recorded at the magnificient Project Management Institute (PMI)® Global Conference 2017 in Chicago, Illinois. We discuss the how, what, why and when of the changes that are coming to the PMP exam.