comparisons as.......as exercises

http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjectives_comparison_as_as.htm
https://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives/exercises?02
http://eolf.univ-fcomte.fr/wp-content/uploads/grammar/comparative_superlative/02.htm
http://first-english.org/english_learning/english_year_2/as_as_than/02_as_as_comparison_adjectives_exercises.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=8493