Que hacen tu y tus amigos en la fiesta se divirtieron
Because in the spanish language it's necessary to be able to reference back to what you're talking about. So when you're saying Es rojas, the listener knows that you're talking about multiple if a feminine object
Answer:
estudiamos mucho
Explanation:
Los profesores aconsejan que nosotros estudiamos mucho. - (English Translation) Our teachers advice us to study a lot.
C is the best answer here
