1.Los estudiantes (estar) en la escuela
Answer: A : Estaban
Translation: The students were at school.
2.Luisa (hacer) ejercicio en el gimnasio
Answer: B : hacía
Translation: Luisa was exercising at the gym.
3.Luis (ser) el emperador de México
Answer: A : Era
Translation: Luis was the emperor of Mexico.
4.Mis hermanos y yo (ver) películas
Answer: B : veíamos
Translation : My brothers and I watched movies
Hope this helped!
