Cosmopolite 5: Cahier de perfectionnement + audio MP3. Level C1-C2. Structure: → The development book offers 12 pages of activities per file organized in 3 stages with activities for: enrich the vocabulary related to the theme of the file perfect sentence grammar from a medium work on style and textual grammar. In the appendices, tools to deepen independent learning by working on access to the meaning of texts, guided production (Strategies) and by training for DALF C1/C2 tests. Published in 2020, paperback, 144 pages.