Objective Proficiency student's book with answers

Objective Proficiency Second edition provides Official Exam Preparation for Cambridge C2 Proficiency. Everything you need to be confident for exam day. A variety of challenging, lively topics provide thorough training in exam skills and high-level language development. Each unit contains three double-page lessons ensuring flexibility, even pacing and progress. Interactive software, downloadable from a URL in the Student's Book, provides activities for practice of exam skills, grammar and vocabulary. (Mac users must pre-install Adobe Air and Java in order to run this software). Exercises and examples tackle areas that Proficiency students often find challenging.