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By Greg Archer. Open World Advanced Workbook with Answers with Audio. This Workbook consolidates and extends the language and exam skills covered in the Open World Student's Book and includes audio for the listening activities, audioscripts and answers via QR codes or direct download.
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.