1 Robert
2 Stéphanie
3 Céline
4 Omar
5 Lise
6 Bertrand et Marie
7 Karine et Julien
8 Thuy
First of all: I cannot see the entire problem.
Second: This is posted in the wrong category. You have posted it in the French category, while clearly you have a Mathematical problem to deal with.
I would suggest changing the category so that people like me would be able to help you. I wish you all the best!
Answer:
l'ecole
Explanation:
because l'ecole means the school, and the professor works in the school.
