UNIT ONE[���BĿ��]TEXT A Teachers' DayText Exercises Grammar-The Present Perfect Tense and the Past Perfect Tense Grammar Exercises TEXT B SORRR Reading MethodUNIT TWO[���BĿ��]TEXT A My Education in the Prison Text Exercises Grammar-Modal Verb, Imperative Sentence and Exclamatory Sentence Grammar Exercises TEXT B A Letter from A FatherUNIT ONE[���BĿ��]TEXT A Teachers' DayText Exercises Grammar-The Present Perfect Tense and the Past Perfect Tense Grammar Exercises TEXT B SORRR Reading MethodUNIT TWO[���BĿ��]TEXT A My Education in the Prison Text Exercises Grammar-Modal Verb, Imperative Sentence and Exclamatory Sentence Grammar Exercises TEXT B A Letter from A FatherUNIT THREE [���BĿ��]TEXT A Charity Shops Text Exercises Grammar-InfinitiveGrammar Exercises TEXT B Millionaires Give Nine Percent of Income to CharityUNIT FOUR [���BĿ��]TEXT A “Heart” ExpressionsText Exercises Grammar-Participle Grammar Exercises TEXT B The Belt and Road Initiative UNIT FIVE[���BĿ��]TEXTA The Rise of Sharing EconomyText Exercises Grammar-Gerund Grammar ExercisesTEXT B Electric Cars UNIT SIX [���BĿ��]TEXT A The Road to Success Text Exercises Grammar Subjunctive MoodGrammar Exercises TEXTB The Only Thing We Have to Fear Is Fear Itself UNIT SEVEN[���BĿ��]TEXT A Cultural Taboos Text Exercises Grammar-Noun Clause Grammar Exercises TEXTB Origins of English Last Names UNIT EIGHT [���BĿ��]TEXT A How to Write the Perfect CVText Exercises Grammar-Attributive Clause Grammar Exercises TEXT B Types of People Whose Careers Grow the Fastest UNIT NINE [���BĿ��]TEXT A The Great Wall of ChinaText Exercises Grammar-Adverbial Clause Grammar Exercises TEXT B Live Entirely in Music--Beethoven UNIT TEN[���BĿ��]TEXT A Ideas of Home Have ChangesText Exercises Grammar Subject-Predicate Agreement Grammar Exercises TEXT B The Redefinition of “Old”UNIT ELEVEN[���BĿ��]TEXT A Why the Americans Are Fascinated with Guns��Text Exercises Grammar-Inversion and EllipsisGrammar Exercises TEXT B Is the Future of Mankind Gloomy or Bright��UNIT TWELVE [���BĿ��]TEXT A CarpoolingText Exercises Grammar-English Word Formation Grammar Exercises TEXT B Save Money with “Green” LightingAppendix Bibliography