key to the door
Lock the door!
Olvidaron poner llave a la puerta.
They forgot to lock the door.
¿Le pusiste llave a la puerta?
Did you lock the door?
Tom le quitó la llave a la puerta del auto.
Tom took the key out of the car door.
Ella le puso llave a la puerta.
She locked the door.
¿La habré puesto llave a la puerta?
Did I lock the door?
Tom no se acuerda si le puso llave a la puerta.
Tom can't remember whether he locked the door.
Did I lock the door?