In your case, they should be read and memorized. You missed some pretty important stuff and the Mid-term exam. How you're going to catch up at this point, i haven't a clue. Plus, you'll have to deal with Professor Shell's indignation. Somehow, you'll have to get on her good side. Perhaps if you sent her an exotic Peppa plant for her garden you can buy a little grace. Hurry and do something before she tells me to fire up the Basher Copter. If that happens, heaven help you.
In the meantime, quit sniffin' the glue!