As noted by Accelerate Learning , learning vocabulary within a context is far more effective than memorizing lists.
Because the vocabulary becomes more academic and the grammar more nuanced, the workload can feel overwhelming. The Role of GDZ in Your Studies
When you see a correct answer in the GDZ that you got wrong, don't just write it down. Analyze why that tense or preposition was used.
Use the GDZ's "Ready Essays" as templates. See how they structure arguments and then try to rewrite them using your own opinions. Moving Beyond the Textbook