The answer to your question is b podia
How am I supposed to complete the dialogue logically to help you if there is nothing to complete, I don't wanna sound rude, I just want to help
1.Sr. Rodriguez tiene sesenta años. Sr Rodriguez is seventy years old
2.Ella es inteligente y bonita. She is smart and cute
3.Los estudiantes iran a la escuela. The students will go to the school
4.Yo tendre tres clases hoy. I will have three classes today.
5.Nosotros iremos a comer en el restaurante. we will go eat to the restaurant.