Libro del alumno impreso con pruebas de práctica para el examen de PET y respuestas de los ejercicios para ayudar a mejorar el rendimiento del examen y CD con audio para las secciones de listening del examen.
Pet Testbuilder has been written and designed to improve students' exam performance and increase their language competence in order to succeed at preliminary English test. The with key edition provides explanations as to why the correct answer is right and the other answers are wrong.
