What are they?
They are feet.
What is it?
It is a tooth.
What are they?
They are teeth.
Where is the snake?
It is on the table.
Where is the boy?
He is under the bed.
Is he dirty?
Yes, he is.
What is it?
It is a hen.
What is this?
It is hair.
What is it?
It is a foot.
Where is the cat?
It is behind the chair.