SUPERLATIVES

https://elt.oup.com/student/solutions/elementary/grammar/grammar_08_022e?cc=mx&selLanguage=en

http://www.englishexercises.org/makeagame/viewgame.asp?id=1876

http://www.tinyteflteacher.co.uk/learning-english/grammar/exercises/superlative-adjectives.html

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

http://speakspeak.com/english-grammar-exercises/elementary/superlative-adjectives