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.
ISBN-13: 9781108891462, 978-1108891462. Open World Advanced Student's Book without Answers Author(s): Anthony Cosgrove, Claire Wijayatilake. Interactive practice includes Practice Extra, and Test to build skills for exam success.
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.