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.
Greg Archer (Author). Open World Advanced Workbook without 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 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.