Answer :
Final answer:
The sentence that requires the personal 'a' in Spanish is 'Visito San Francisco.'
Explanation:
The sentence that needs the personal A in the blank:
- A. Visito San Francisco.
In Spanish, the personal 'a' is used before a direct object that refers to a specific person or people. In this case, 'San Francisco' is a specific place being visited, hence requiring the personal 'a'.