What are these?
They're pencil cases.
What is this?
It's a pencil case.
What are these?
They're chairs.
What is this?
It's a chair.
What is this?
It's a bag.
What is this?
It's a notebook.
What are these?
They are notebook.
What is this?
It's a pencil.
What are these?
They are pencils.
What is this?
It's a rubber.
What are these?
They're rubbers.
What is this?
It's a ruler.
What are these?
They are rulers.
