COMPARATIVE AND SUPERLATIVE

http://www.funkyenglish.com/page/quiz-comparatives

https://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives/exercises

http://www.myenglishpages.com/site_php_files/grammar-exercise-grammar-comparatives-superlatives.php

http://www.englishexercises.org/makeagame/viewgame.asp?id=6009

http://www.agendaweb.org/exercises/grammar/comparison/comparative-superlative