What is this?
It's a backpack.
What is this?
It's a board.
What is this?
It's a folder.
What is this?
It's chalk.
What is this?
It's a [pencil] sharpener.
What is this?
It's a dictionary.
What is this?
It's a pencil case.
What is this?
It's a ruler.
What is this?
It's glue.
What are these?
They are windows.
What are these?
They are notebooks.
What is this?
It's a book.
What is this?
It's a marker.
What is this?
It's a pencil.
What is this?
It's AN eraser.
What are these?
They are handouts / copies.
What is this?
It's a pen.
What is this?
It's a desk.
What is this?
It's a chair.
What is this?
It's a cell phone.
What are these?
They are scissors.
What is this?
It's a clock.
What is this?
It's a laptop.