___________ a computer.
It is
_________ a pen.
It is
__________ cows
They are
_________ birds
They are
________ a pencil.
It is
__________ ducks
They are
_________ a pencil case.
It is
_________ a bird
It is
_________ a duck
It is
_________ scissors.
They are
_________ a snake
It is
_________ an eraser.
It is
____________ a book.
It is
_________ a backpack.
It is
_________ a ruler.
It is
__________ colors.
They are
__________ cow
It is
__________ books.
They are