Comparatives and superlatives. 4º ESO

You can practise comparatives and superlatives in the following links:

http://www.usingenglish.com/quizzes/242.html

http://www.usingenglish.com/quizzes/45.html

http://english-zone.com/grammar/compare1.html

http://www.1-language.com/eslquizzes/comparatives.htm

http://youronlinenglishclass.com.pt/Quiz/comparative.htm

So or such?

http://perso.wanadoo.es/autoenglish/gr.such.i.htm

http://www.clafoti.com/imagenes12/so_such.htm