The best answer is run. The relationship between the first pair of words, rural and urban, is that of antonyms—words that have opposite meanings. Therefore, the second pair of words must also be antonyms. Run is an antonym for walk.
Yesterday's Analogy Quiz
Tomorrow's Analogy Quiz
About Infoplease, Part of Family Education Network
© 2000–2015 Sandbox Networks, Inc., publishing as Infoplease