What's this?
It's a bookcase.
What's this?
It's a pencil.
Open or close?
Close the window.
What's this?
It's a ruler
What's this?
It's a bag.
What's this?
It's a window.
Open or close?
Close the book.
Open or close?
Open the window.
What's this?
It's a book.
What's this?
It's a door.
Open or close?
Open the bag.
Open or close?
Open the book.
Open or close?
Close the door.
What's this?
It's a folder.
What's this?
It's a pen.