1. When did he leave Hue ?
2. How long does it take you to ride to school ?
3. How often does she go to school ?
4. Where did they spend their holiday last summer ?
5. Why do you listen to music ?
6. Who do you often visit at weekends ?
7. Why does Phong study English ?
8. Who does Lan go to school with ?
9. When do you often read books ?
10. Who want to talk to you ?