问年龄的英文问句

How old are you? How many years old are you? What's your age? How old do you look? Can you tell me your age? What year were you born in? What's your birth year? Are you twenty years old?

How old are you? How many years old are you? What's your age? What year were you born? How old do you look? (这个稍微口语化一些，用来打趣或好奇对方看起来多大了)