This invaluable little book highlights the real mistakes that students make in the exam ? and shows how to avoid them. Based on analysis ofthousands of exam scripts, each unit targets a key problem area. Clear explanations and exercises help students to use the languageaccurately. Regular tests offer students a further opportunity tocheck and consolidate what they have learnt. * Highlights commonmistakes that learners really make. * Based on analysis of thousandsof exam scripts. * Short, snappy explanations focus on key problemareas. * Includes exam-style exercises.