作词 : OUP owned
作曲 : OUP owned
What's this?
What's this?
It's a book.
Open the book.
Close the book.
What's this?
What's this?
It's a door.
Open the door.
Close the door.
What's this?
What's this?
It's a bag.
Open the bag.
Close the bag.
What's this?
What's this?
It's a window.
Open the window.
Close the window.