Appendix B of Markel goes over various rules for grammar, punctuation, and mechanics. You can review these rules as needed.
There’s also a list of 20 Most Common Errors available under the Resources menu on the course website.
No Reading Quiz
There is no quiz for Appendix B, because research shows that such quizzes don’t really help people learn the rules.
Photo: Comments in Google Docs by soxnevad1, on Flickr