Mark Twain’s Joke on a Friend

摘要

Mark Twain was a famousAmerican writer of novels andshort stories.He liked to tellfunnysub>1sub>sub>sub> and he also liked toplay jokes on （开玩笑）his friends.One day afriend of his lost his sub>sub>2sub>sub> and asked MarkTwain to buy the train ticket for him. Mark Twain said, "I’m sorry, but it hap-