Designed for learners at upper-intermediate level, the book presents and practices English grammar structures systematically and can be used to supplement any main course at upper-intermediate level.Key Features: Clear, simple presentation ofgrammar structures through functional examples and attractive photographs and illustrations Comprehensive theory boxes A variety of exercises with spaces for filling in answers Exercises designed to help the learner use appropriate language patterns in everyday situations Colourful photographs and illustrations Common mistakes section Error correction exercises Word-formation exercises Oral and writing activities A revision box in each unit Revision units Progress tests Full key to the exercises in the Student’s Book