Use the vocabulary book past papers. When you encounter a new word in a Reading passage ("sustainable," "mitigate," "paradigm"), check if it appears in your Vocabulary Files PDF. If yes, you know it's high-frequency B2/C1 vocabulary worth memorizing.
The B2 PDF usually comes with audio tracks of the word lists and listening tasks. Use them to master . A misspoken word ("vegetable" vs. "veg-table") lowers your Speaking score. ielts the vocabulary files b2 pdf
I understand you're looking for the PDF, and you're asking for a useful post about it. Use the vocabulary book past papers