On se sertd’ un/une…….pour écrire au tableau noir.
-
craie
- crayon
- règle
- plume
The correct answer is: A
Explanation
The correct answer is craie. The sentence "On se sert d'un/une...pour écrire au tableau noir" means "We use a... to write on the blackboard". The correct completion is "craie", which means "chalk" in French.