Question 11 (5 points)
Nosotros
(levantarse) a las cinco de la mañana para hacer ejercicio,
se levanta
te levantas
nos levantamos
me levanto
Question 12 (5 points)
Tú necesitas__ (acostarse) muy temprano esta noche.
acostarte
acostarse
O acostarme
acostarnos

Nosotros nos levantamos a las cinco de la mañana para hacer ejercicio.

Tú necesitas acostarte muy temprano esta noche.

Explanation:

(se levanta) It is used when you talk about a single person other than the person you are talking to.

(te levantas)  It is used when you talk about the person you are talking to.

(nos levantamos)  It is used when you talk about a group of people in which you are included,     nosotros = we

(me levanto) it is used when you talk about yourself.

(acostarte) It is used when you talk about the person you are talking to.

Tú = you

(acostarse) It is used when you talk about a single person other than the person you are talking to.

(acostarme) it is used when you talk about yourself.

(acostarnos) It is used when you talk about a group of people in which you are included