Rewrite the sentences with the words below.

*a centenarian, an infant,in (your) teens,in (your) twenties,

middle-aged,a toddler,a young child*

1 My niece is only four months old.

2 My little brother is six.

3. My great-grandfather is over a hundred.

4 My cousin Jack is fifteen

5 My mother is fifty next year.

6 My nephew is two years old.

7 My sister was twenty-three on her last birthday