Ages and stages

My brother is thirteen months old and he's learning how to talk. He's a __

• toddler

• infant

• centenarian

Last year I was still in my __, but nw I'm 30 years old.

• twenties

• teens

• young child

No children are allowed in this shop without an __.

• adult

• middle-aged

• elderly

IT's my grandmother's 100th birthday today. She's now a __!

• centenarian

• elderly

• middle-aged

Her new baby is just four weeks old. He's an ___.

• infant

• toddler

• young child

Young people between the ages of thirteen and nineteen are in their __.

• twenties

• teens

• adult

Her aunt is quite __. She's 86.

• middle-aged

• adult

• elderly

People aged between 40 and 60 are sometimes called __.

• middle-aged

• elderly

• centenarian