Complete Key for Schools is the most thorough preparation for the revised A2 Key for Schools. This Teacher's Book contains detailed teacher's notes, answer key and extra teaching ideas. The Downloadable Resource pack includes Class Audio, access to A2 Key for Schools Speaking Test Videos, and worksheets containing extra skills practice for the exam and extension skills work to stretch students further. This Teacher's Book contains detailed teacher's notes, answer key and extra teaching ideas. The Downloadable Resource pack includes Class Audio, access to A2 Key for Schools Speaking Test Videos, and worksheets containing extra skills practice for the exam and extension skills work to stretch students further.