What are they?
They are birds./ They're birds.
What are they?
They are books./ They're books.
What's this?
It's a bird.
What's this?
It's a tiger.
What's this?
It's a hippo.
What are they?
They are snakes./ They're snakes.
What's this?
It's a cat.
What are they?
They are pens./ They're pens.
What are they?
They are tigers./ They're tigers.
What's this?
It's a bear.
What's this?
It's a dog.
What are they?
They are crocodiles./ They're crocodiles.
What's this?
It's a snake.
What are they?
They are hippos./ They're hippos.
What's this?
It's a crocodile.
What are they?
They are bears./ They're bears.