That’s right. Go through each question (All the specific ones first and general ones second) and try to answer them all without looking at the answer choices. Chances are good that you’ll actually come up with the correct answers in your head and you can simply uncover the choices to reveal the letter that matches your answer.
If you haven't printed the pdf version yet, it might be a good time to do so. You can physically cover up the choices to see if you get them correct.

