This popular series is designed to help improve students' exam performance. The exam-based exercises will familiarise any student with the tasks they will face in the test, boosting their confidence and leading them towards successful results. Ideal for self-study or classroom use, the KET, PET, FCE, CAE and New Proficiency Testbuilders are available with or without the answer key. The answer key also includes clear explanations and analysis of model answers.