Tons of exercises.

http://www.ibericostierradesalamanca.com/pedrofelipe/listen00/alphabet_listen/jigsound1.swf 

http://www.telefonica.net/web2/eseducativa/phonetics/rima01a.html 

http://www.telefonica.net/web2/eseducativa/phonetics/rima02a.html 

http://www.telefonica.net/web2/eseducativa/phonetics/rima03a.html 

http://www.telefonica.net/web2/eseducativa/phonetics/rima04a.html 

http://www.telefonica.net/web2/eseducativa/phonetics/rima05a.html 

http://www.telefonica.net/web2/eseducativa/phonetics/rima06a.html 

http://www.englishmaven.org/HP6/Pronouns%20Exercise%201.htm http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-3074.php 

http://www.englishexercises.org/makeagame/viewgame.asp?id=1965 http://baladre.info/english/sedaviwebfront/pronouns3.htm 

http://www.englishexercises.org/makeagame/viewgame.asp?id=2873 

http://www.englishexercises.org/makeagame/viewgame.asp?id=999 

http://www.englishexercises.org/makeagame/viewgame.asp?id=1961