Have you used the Collins COBUILD Key Words series? Share your experience or ask questions about specific units in the comments below. For more IELTS resources, check out our guide to pairing this book with the Official Cambridge Guide to IELTS.
If you are preparing for the International English Language Testing System (IELTS), you already know that vocabulary is the single most critical factor separating a Band 6 from a Band 7 or 8. While grammar and fluency matter, it is your lexical resource—the range and precision of your word choice—that signals to the examiner that you are ready for academic or professional life in an English-speaking country. collins cobuild key words for ielts book 3 advanced pdf