Depending on when you started, you may not actually remember the earliest tests that you've taken, whether it was for drilling or PT. So give it a shot – poor memory can be, sometimes, useful.
I concur with @gabrielakdavila and would add that you shouldn't just see why the right answer is right, but also analyse why the wrong answers are wrong, especially the ones you were attracted to. Also, 7sage allows you to see which type of question…