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ISBN-13: 9781108403498, 978-1108403498. This book, with over four hours of free downloadable audio, includes 60 units of explanations, examples, practice exercises and answers for advanced level (C1-C2) learners of English.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.