Countable-uncountable exercises

http://www.myenglishpages.com/site_php_files/grammar-exercise-countable-uncountable-nouns.php
http://www.englishexercises.org/makeagame/viewgame.asp?id=3246
http://www.curso-ingles.com/practicar/ejercicios/countable-uncountable-nouns
http://www.myenglishpages.com/site_php_files/grammar-exercise-quantifiers.php
http://www.englisch-hilfen.de/en/exercises/confusing_words/much_many4.htm
http://digitalcampus.free.fr/Level2/Unit21/SubUnit212/Quantifiers01.jqz.htm