...................... a pen.
That is
........a pencil.
This is
..... pencils.
Those are
..................... pencils.
These are
............... dogs.
These are
............a dog.
This is
...................a computer.
This is
...........a pencil case.
This is
This is a..............
classroom
This is
a board.
_____________ pegs.
These are pegs.
______are_____________.
These are pencil cases.
____ is __________.
That is a board.
What's this?
It's a poster.
What are these?
These are drawers.
What are these?
These are pictures.
