KET Practice Tests 2013 год. Cambridge University Press The past examination in Cambridge Key English Test 3 papers provide the most authentic exam preparation available. They allow candidates to familiarise themselves with the content and format of the examination and to practise useful examination techniques. These papers follow the March 2004 revised exam specifications. Student's Books are available in both 'with answers' and 'without answers' editions. The Self-study Pack, also available, contains the Student's Book with Answers and the Audio CD.