Interactive is an exciting four-level 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.