Interactive is a four level course course for teenage learners from elementary to upper-intermediate levels (CEF A2-B2). The Workbook provides additional practice in the language introduced in the Student`s Book. Portfolio sections offer an alternative writing activity and there is one core listening text plus additional listening practice for each unit. Vocabulary practice for every unit is extended further. `Help yourself` boxes highlight key grammar points and offer extra language practice. A 24-page grammar section at the back of the Workbook offers a `Grammar Reference` and `Grammar Practice` linked to every unit of the Student`s Book. The audio to accompany the Workbook is available from the course website: