los sàndwhiches de este restaurante siempre son deliciosos.
sandwhiches are plural, son is the plural of the verb "ser" or "to be"
1. Vamos a comenzar las clases
2. Voy a contar el dinero
3. Ya es hora de dormir
4. No voy a poder ir a la fiesta
5. No sé qué voy a querer para mi cumpleaños
The answer should be "Perla y Rubí son bonitas".
Explanation:
It should be "son" instead of "es" because there is more than one thing, and "bonitas" because it seems like both are females. (I'm answering based on what I know
of own language, I hope it helps)
The answer would be gnocchi, I believe.