compare

1.http://www.manythings.org/lulu/v7.html

2.http://www.manythings.org/lulu/v3.html

3.http://www.manythings.org/lulu/w3.html

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

5.http://theenglishcafe.blogspot.com/2007/12/comparison-of-adjectives-exercises.html

6.http://www.english-4u.de/comparison.htm

7.http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjectives_comparison_as_as.htm

8.http://www.englishexercises.org/makeagame/viewgame.asp?id=2070