41.  Then money dries up, new political agendas are drawn, the people leave, new ones cease to come.

42.  There are many models of duodenal ulcer - do we need a new one?

43.  They keep pulling down the old buildings and putting up new ones.

44.  They will have to change old habits and acquire new ones.

45.  This paper describes how these techniques helped the author to reuse parts of an existing book to write a new one.

46.  Tommy, following instructions from the uniform department, had shiny new black ones, with black socks.

47.  Tucson is blessed with an abundance of restaurants and small eateries, with new ones popping up almost daily.

48.  We should develop or modify existing structures as well as work out new ones.

49.  When this happens, there is a scientific revolution and the old paradigm is replaced with a new one.