1.A Clever Judge 2.Blind Man 3.The Little Shoeshine Boy 4.Meeting and Greeting People 5.Introduction 6.Some Polite Phrases 7.Ladies First 8.Christmas 9.Thanksgiving 10.Easter 11.Halloween 12.What Do You Know about Eating? 13.Robots 14.Scientists Hope to Grow Organs in Bodies 15.Antarctica · · · · · · (收起)