Smart planet 4 workbook castellano

Smart Planet is a secondary-level course which appeals to students'curiosity about the world around them. Stimulating materialscomplemented by fascinating videos from Discovery Education help bring classes to life and are the ideal starting point for successfullanguage learning. The Workbook provides complete practice of all thevocabulary and grammar from the Student's Book with graded activitiescatering for mixed-ability classes. The Workbook also contains extralistening activities for self-study practice with online MP3 audiofiles. English and Catalan editions of this Workbook are alsoavailable.