Answer:
La habitación -está- -sucia- porque no tengo tiempo de organizar los libros y papeles.
Explanation:
Está is used as a form of the verb ´be´ describing the being/condition of something and in this case it is conjugated in the present form of the verb. Also remember that this form of the verb is used whenever talking about a person, a place or a thing.
Sucia is directly related to the feminine form of the habitación.
