Superlative exercises

http://www.adelescorner.org/grammar/comparatives/superlatives.html
http://www.english-4u.de/comparison_ex5.htm
http://www.examenglish.com/grammar/A2_superlative.htm
http://www.focus.olsztyn.pl/en-superlative-adjectives-exercise.html#.WJXXJhvhDIU
http://www.englishexercises.org/makeagame/viewgame.asp?id=1876