1. Do I look good in this outfit? 2. Do I need to bring anything to the party? 3. Do I have any messages? 4. Do I really want to go there? 5. Do I have enough time to finish? 6. Do I understand this correctly? 7. Do I like this flavor of ice cream? 8. Do I need to study more? 9. Do I have a pencil I can borrow? 10. Do I sound okay on the phone? 11. Do I need to make a reservation? 12. Do I remem..