Final answer:
The correct personal pronoun to use when talking with a teacher in Spanish is Usted.
Step-by-step explanation:
The correct personal pronoun to use when talking with a teacher in Spanish is Usted.
For example, if you want to say 'How are you?' to a teacher, you would say '¿Cómo está usted?'.
Using the correct pronoun shows respect and formality towards the teacher.
Learn more about Personal pronouns in Spanish