Unit 1 An Army of Animals

Unit 2 An Unwelcome Interruption

Unit 3 The 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 Not Sleep

Unit 8 The Neverending Building

Unit 9 They re Playing Our 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 Luck

Unit 19 Elementary

Unit 20 A Load of Cement

Answers