Key IELTS vocabulary and its usage are presented using Collins COBUILD dictionary definitions and example sentences from the Collins corpus. Learn and remember the vocabulary through the practice exercises, and read the practical exam strategies and tips to improve your IELTS score. You can familiarise yourself with the test questions by doing the Practice exam section at the end of each unit and then evaluate your progress in the revision units. The Audio CD provides valuable Listening and Speaking practice to help you prepare for the test.