If you are studying for the DELF B2 or DALF C1, using the answer key strictly helps simulate exam evaluation standards. Strategies for Using the B2/C1 PDF and Audio Material
Le manuel explore des domaines stratégiques pour les niveaux avancés : B2-C1, avancé : avec 525 exercices / Claire Miquel
Communication Progressive du Français Niveau Avancé B2/C1 : Corrigés PDF - Le Guide Complet
: It covers subtle communicative acts like irony, expressing doubt, negotiating, and defending a complex point of view. The Importance of the "Corrigés" (Answer Key)
For a learner working alone, an exercise without an answer is like a car without a steering wheel—you're moving, but you have no control over your direction. This is especially true at the B2-C1 level, where the exercises are designed to be challenging and nuanced.