I will have to be unfortunately quite critical, but I had a feeling you didn't put the required effort in any of the exercises. Let me explain:

Superimposed lines: I tried really hard, and I did not see a straight line drawn with a ruler. This is imperative, this exercise is to train your hand to follow a strick, hard, line and focus. While I see the focus part (no flayling from both sides), you did not train your hand on a straight edge line.

Ghosted lines: These are the best part of the submission, but not nearly good enough. And I don't mean about the result (we don't look for good results here), but there is no effort made to correct mistakes. It's like you planned the line, did a few tries and off it went. You have to plan the stroke, practice it in the air many times (when I began, I even did 20 as my hand was horribly inaccurate. After a week of daily warm-ups, 3-5 is my usual now), and then execute the stroke. Especially for the start, do not aim to stop for the dot. Aim to pass it and execute it swiftly. Priority one is to get a smooth line. This is what you should aim. Once you get good at making the lines smooth, aim to pass both dots at once. At this stage don't try to stop at them, bypass them. As long as the line is smooth, and you cross both dots, your task is complete. Once you get good at this too, then and ONLY then aim to stop at the dot.

Ghosted Planes: They suffer heavily from the same issues as ghosted lines. As such, I suggest your read the above paragraph again, read the subject material, watch the videos, and try again.

Ellipses: This is where I get the sense you are not putting the required effort. The boundaries for the ellipses should be drawn with a ruler, to give you a good idea of where you miss the mark. It's said explicetely in the instructions. Aside from that, your ellipses are very shaky. You should try to aim for smoothness again at this stage and confident execution, both of which are missing from this submission.

Plotted perspective: You have to utilize the whole page. By drawing everything too close not only do you learn wrong habbits, but also you don't help your brain to understand perspective. Also, try to use a differect color (or even pencil, if you don't have another color) to plot the lines to the VP. As it is, I don't know if you can see errors in your construction. I certainly can't.

Rough perspective: Here you use an edge for the initial box, which isn't what is asked. It's quite obvious, and it's bad form. Don't go for the easy way, you are here to learn not to pass a class. Aside from this, I generally think you got the idea.

Rotating boxes: These suffer from correcting mistakes on top of the boxes. By doing that, the original lines get lost, and the whole picture becomes messy. Still this is a difficult submission, and it's not one anyone is expected to nail at this point.

Organic perspective: Now, this shows promise. Your lines are visibly better, and your construction seems a bit more involved. This proves to me that you can actually give decent results if you put your mind into it.