What is it?
It's a chair.
What colour is it?
It's white.
She 'm / 's / 're adoctor.
's
What colour is it?
It's purple.
What number is it?
Twenty-two
He 'm / 's / 're an engineer.
's
What is it?
It's a pen.
I 'm / 's / 're a student.
'm
What number is it?
Twelve
What colour is it?
It's red.
They 'm / 's / 're Tom and John.
're
We 'm / 's / 're from Spain.
're
What number is it?
Thirty-seven
What is it?
It's a pencil.