What are these?
They are rulers.
What is this?
It's a cupboard.
What is this?
It's a rubber.
What is this object?
It's a ruler
What are these?
These are rubbers.
What are these?
These are books.
What is this?
It's a pen
What is this?
It's a board.
What is this?
It's a book.
What is this?
It's a desk.
What are these?
They are pens.