61.  I think we should improve existent parks rather than create new ones.

62.  As we wrap up work on the old project, a new one moves to center stage.

63.  We can help you modify an existing home or build a new one.

64.  I replaced the old rug with a new one.

65.  The new one costs about twice as much.

66.  They originally planned to fix their old car, but they decided to buy a new one instead.

67.  Disconnect the old printer and connect the new one.

68.  We decided to junk our old computer and buy a new one.

69.  We should jettison these old computers and get new ones.

70.  This old computer is a goner.