This document provides a practice quiz to test understanding of 8 comma rules: 1) Lists of 3 or more items, 2) Separating independent clauses, 3) Separating independent and dependent clauses, 4) Separating phrases not essential to the sentence, 5) Using commas to separate quotes, 6) Introductory elements, 7) Separating towns, states, and countries, and 8) Separating days and months. The quiz contains sentences to add commas to based on these rules across 8 sections.