select appropriate synonyms, antonyms, and homonyms within context

http://www.sadlier-oxford.com/phonics/antonyms/antonyms.htm

http://www.quia.com/mc/67661.html

http://school.eb.com/lm/games/GE_4_4/GE_4_4.htm

http://www.quia.com/custom/1055main.html