I would skip over the LG sections. 7sage's approach is the best and I feel like mixing two different approaches would be more confusing and time consuming.
Side note....Isn't your screen name the name of a famous porn site?
I had the proctor malfunction while I was writing a PT. I think I stopped at about the right time, but it definitely threw me off my game (and I might have gone over by a couple of minutes).
On the syllabus where the list of lessons are, there is a green checkmark on the left side of the lesson name. Scroll over it, you should be able to click it, and that will uncheck that specific lesson.
Many people can give their two cents, but at the end of the day-- it really depends on you. Judging by your 7sage name...I think you may enhance your chances if you feel more optimistic and invigorated about putting in the effort to do well.