UNIT 1 1.The Missing Wallet 2.The Hose on Your Face UNIT 2 3.Guilty or Not? 4.Talking Without Sound UNIT 3 5.The Receipt 6.Local Newspapers in Britain UNIT 4 7.Flags of the United States 8.Daniel Mendoza UNIT 5 9.The Beginning of Money 10.Mind Your Manners UNIT 6 11.The Flying Fool 12.Push-button English UNIT 7 13.On Background Music 14.Dangers in and near a House UNIT 8 15.Environmental Pollution 16.Getting Lost on Purpose UNIT 9 17.Churchill's Portrait 18.Mr.Smith Blunders UNIT 10 19.School Without Walls 20.A Timcless Letter of Comfort Key to Comprehension Exercises