By this time of my life, I had already encountered hundreds or possibly thousands of exams, tests, quizzes or whatever similar to these. Of course before the exam, you studied hard hoping to score a good grade in the test. But often the reality doesn’t sound like that. Sometimes you did better than you expected, sometimes worse than you expected. I guess the scenario of the latter happens more often than the first one for me. Of course, you wait for your results of the test. After your test paper is being distributed by your instructor back, you take a look at the score then flip it through and see what are the mistakes being made then you just stuck your paper into the bag. Does that sound familiar? These actions above are what most students did nowadays including me. Well, recently I have this professor that allows you to resubmit your test to get extra credits. How it works is that he will first mark your paper after the examination. If you have m