1.   man   paper   mouse   tree   Hint Half-n-half Clue   2.   pond   water   pool   lake   Half-n-half Clue   3.   eagle   squirrel   plane   cloud   Half-n-half Clue   4.   sofa   chair   stool   table   Half-n-half Clue   5.   Pluto   Mars   Moon   Earth   Half-n-half Clue   6.   cow   how   now   low   Half-n-half Clue   7.   31st June 1999   31st August 1997   29th February 2000   29th April 1998   Half-n-half Clue