Good Practice Exams- Already taken MGMAT and GMAT Prep

I finished one of my GMAT - received Quant 48/Verbal 27/AWA 5/IR 5 - with a total score of 620. I am planning to give GMAT again in a month to improve my score. But unfortunately, I exhausted all my 5 - MGMAT/4 - 800 score/2-GMAT Prep exams before my first exam. I am left with only one 800 score exa...