Question marks: When should you use one?

Deciding when to use question marks can be trickier than you think! For example, some sentences read like questions but are really polite requests, while other sentences sound like requests but are really questions. How well do you know the different uses of the question mark? Take this quiz to find out!

1. You wouldn't by any chance have another pen?
2. Will you please come to my office at 1:00 and bring with you the progress report that Mary prepared last week regarding the new project?
3. Give him another chance. Not in a million years!
4. Will you please be quiet!
5. How many times must we go over this?
6. I wonder if Lori passed her biology exam?
7. When Ruth Rosenthal immigrated to Canada (in 193?) from Germany, she immediately felt at home.
8. We just learned that Rob and Katie called off their wedding. What are we supposed to do with the decorations? the food? the band? the guests flying in from abroad?
9. I was wondering if I could borrow a couple of dollars?