Unit 1 An Army Of Animals Unit 2 An Unwelcome Interruption Unit 3 A Strongest Man in the World Unit 4 A Strange Pet Unit 5 Children of the Wolves Unit 6 The Wizard of Wall Street Unit 7 The Man Who Could Out Song Unit 8 The Neverending Building Unit 9 They're Playing Out Song Unit 10 S.O.S. Unit 11 If at First You don't Succeed Unit 12 The Wedding Guests Unit 13 UfO Unit 14 The Wrong Destination Unit 15 Peking Man Unit 16 Eggsplosion Unit 17 A Ghost Story Unit 18 Bad Lucy Unit 19 Elementary Unit 20 A Load of Cement Answers