Active Grammar Level 3 covers all the grammar taught at C1-C2 (CEF) level. A three-level series of grammar reference and practice books for teenage and young adult learners. Useful tips highlight common mistakes that advanced level students usually make. The book presents grammar points in meaningful context through engaging and informative texts, followed by clear explanations. A large number of contrastive revision exercises in the book and on the CD-ROM allow students to assess and monitor their progress. Carefully graded exercises provide plenty of challenging practice and encourage students to apply their own ideas creatively to grammar learning. 2011. The answer key at the back of the book makes this version ideal for self-study.