La pelota. It is the only one that is not used to play with a ball. It itself is the ball.
I can guarantee you this is the answer.
- <u><em>Answer: Yo traigo mis libros a clase todos los </em></u>
<u><em>2. Tu padre durmió siete horas anoche.</em></u>
<u><em>3. Yo empece a estudiar a las ocho anoche.</em></u>
<u><em>4. Tienes algun refresco? No, no tengo ningun refresco</em></u>
Explanation:
Hope this helped!!!
Sorry no I hope u find it though