1. Which sentence correctly uses a comma before the coordinating conjunction "and"?
2. What is the main purpose of a comma in a sentence?
3. A semicolon should be used to connect two clauses that are what?
4. Which sentence correctly uses an apostrophe to show possession?
5. Which sentence correctly lists subjects using commas?
6. Underlining or italics in writing is typically used for what?
7. Which sentence correctly uses an em dash to show a sudden break?
8. What is a "comma splice" in writing?
9. When should you use commas to set off non-essential information in a sentence?
10. Which is the correct way to write a formal letter salutation?