Providing a for the writing section. Giving you sample sentences for common C1 topics.
Sustainability ( Nachhaltigkeit ), globalization ( Globalisierung ), and demographics ( Demografie ). i goethe zertifikat c1 wortliste pdf link
Switch from a German-English dictionary to a German-German one (like Duden). This helps you understand subtle nuances and synonyms. Providing a for the writing section