American Think Level 4
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Interactive Level 4
Workbook with Downloadable Audio
Interactive is an exciting four-level course for teenage learners from elementary to upper-intermediate levels (CEF A2-B2).Authors: Herbert Puchta, Jeff Stranks, Peter Lewis-Jones, Meredith LevyEnglish Type: British EnglishCEF Level: B2Publication date: June 2012
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