If you marked all of these correct, you are either a horrible textbook grammarian or an incredibly insightful reader. Each sentence above was written---exactly as punctuated---by the following authors:

1. E.M. Forster

2. Ernest Hemingway

3. Joan Didion

4. James Thurber

5. Gore Vidal

6. Katherine Anne Porter

7. William Faulkner

8. Annie Dillard.