Answer:
A. Comment allez-vous?
Step-by-step explanation:
The answer is a because 'comment allez vous?' is asked formally and here we are talking to a teacher.
answer B C and D is more of an informal way to speak to others
Bonjour,
Select the correct answer. Which expression best completes this conversation?
David: Bonjour, professeur. Comment allez-vous ?
Professeur: Bien, merci. Et toi ?
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