Unit One At a Party Unit Two Interview Unit Three Environment Unit Four Family Quiz (Unit 1~Unit 4) Unit Five Sports Unit Six Inquiring Unit Seven Advice and Suggestions Unit Eight Foreign Countries and Languages Quiz (Unit 5~Unit 8) Unit Nine School Unit Ten Permission and Confirmation Unit Eleven Famous People Unit Twelve Truth or Lies Quiz (Unit 9~Unit 12) Unit Thirteen Travelling by Air Unit Fourteen Interculture Unit Fifteen Amusements Unit Sixteen At the Library Quiz (Unit 13~Unit 16) Unit Seventeen Making Friends Unit Eighteen Roommates Unit Nineteen Becoming a Confident Speaker Unit Twenty Making Arrangement Quiz (Unit 17~Unit 20) Keys and Scripts