Vimos, íbamos, éramos, era, ibas
Los esclavos expresaban su tristeza ante su situación en canciones nostálgicas.
Answer:
Don't skip any meals or snacks, says Sass. "Try not to let more than five hours go by without eating. Waiting too long can zap energy, and can lead to overeating later. Eat a (healthy) snack between lunch and dinner, maybe right before leaving work, so you will be less likely to grab snack foods once you get home."
Explanation:
Una regla = a rule
unas reglas = some rules
los reglas = the rules