用英语询问年龄的几种问法

1. How old are you? 2. What's your age? 3. Can you tell me how old you are? 4. How many years old are you? 5. What year were you born? 6. Could you tell me your age? 7. At what age were you born? 8. May I ask your age? 9. How long have you been alive? 10. What's your birthday?