What are these ?
These are pencil cases.
What's this ?
This is classroom.
What are those ?
Those are computers.
What are these ?
These are pegs.
What is that ?
That is a board.
What are these ?
These are tables.
... ... a pencil.
That is a pencil.
... ... a pencil.
This is a pencil.
... ... a pencil case.
This is a pencil case.
What are those ?
Those are rulers.
... ... t-shirts.
Those are t-shirts.