Respuesta :

DoctorAlexander
You would use vous since "Mlle. Fornier" means Ms. Fornier, and is formal. You wouldn't address your friend as "Ms. ____", so it has to be formal. :)
You would use vous since "Mlle. Fornier" means Ms. Fornier, and is formal. You wouldn't address your friend as "Ms. ____", so it has to be formal.