Final answer:
The correct verb to fill in the blank is visitó, which means 'visited' in Spanish.
Step-by-step explanation:
The sentence in the question is: Nora a sus tios la semana pasada.
Based on the sentence structure and context, the correct verb to fill in the blank is visitó, which means 'visited' in Spanish.
So, the sentence should be: Nora visitó a sus tios la semana pasada.
Learn more about Spanish verb conjugation