单项选择题A.From a newspaper advertisement.B.From a magazine article.C.From a television program.D.From an automobile dealer.
填空题______first made Mark Twain known all over the country.
填空题During the Civil War Mark Twain became a river pilot.
单项选择题A.At a newspaper.B.At an advertising agency.C.At a furniture store.D.At a real estate offic
单项选择题A.Seeing a film.B.Diving in the sea.C.Having a class.D.Doing an experiment.