Sit ....
Sit down.
... the book.
Open the book.
...the window.
Close the window.
Stand ....
Stand up.
Open the...
Open the window.
Close the....
Close the book.
Open the...
Open the book.
... the book.
Close the book.
Stand...
Stand up.
Sit...
Sit down.
Close the...
Close the door.
...the door.
Open the door.