41.   And my writing underwent a change.

42.   And other experiments showed that the auditory brain structures had undergone physical changes, so they more closely resembled the visual centers of the brain.

43.   And, it is a City Hall that has undergone dramatic changes since it first opened its doors under then-Mayor George Cryer.

44.   And, some say, such general-practice patients are the only way the organization can survive in a marketplace undergoing radical change.

45.   And with its integration into a global market economy, Asia has undergone daunting changes.

46.   As fads and fancies ebb and flow, sounds that are part of the foundation undergo changes but still pay tribute to the pioneers.

47.   As libraries undergo extensive changes they are finding ways to become more essential in the neighborhoods that surround them.

48.   As Kwan emerged, the skating world underwent epic changes, and she has been the greatest beneficiary.

49.   As the industry undergoes change, many apparel retailers have dramatically cut prices to entice shoppers.

50.   As has been much chronicled and debated lately, Seattle has been undergoing massive change, thanks to a booming economy and enormous individual and corporate wealth.