Trabajar means: to work
Since it's your friend that works in a restaurant, you conjugate it to él/ella/ud.
Mi amiga <em>trabaja</em> en un restaurante.
Answer:
prima :PP
Explanation:
your aunts daughter would be your cousin, and cousin in spanish is prima
1. Está mujer esta endeudada, 2. Estoy haciendo vida social, 3. Mi madre está cansada