ENGLISH LEVEL 1- 

HOW MANY- HOW MUCH- SOME-ANY

http://www.englisch-hilfen.de/en/exercises/confusing_words/much_many3.htm
http://www.better-english.com/easier/howmuch.htm
http://www.englisch-hilfen.de/en/exercises/confusing_words/some_any.htm
http://www.agendaweb.org/exercises/grammar/any-some

Listening

http://www.esl-lab.com/eslbasic/shopping-prices-1.htm