What's this?
a table
What's this?
a mouse
What's this?
a computer
What's this?
a pencil
What's this?
a wall
What's this?
a chair
What's this?
a picture
What's this?
an eraser
What's this?
a desk
What's this?
a window
What's this?
a board
What's this?
a book
What's this?
a door
What's this?
a pen