I'm only 25 on my next birthday. I'm...
in my mid-twenties
My mum is 50. She's...
middle-aged
My sister is 21. She's...
in (her) early twenties
My grand mother is 71. She is...
elderly
My sister-in-law is 28. She is...
in (her) late twenties
My aunt is 63. She's...
in (her) sixties
My other niece is fifteen. She is...
teenager
