Shopping-related words and phrases:

http://www.learnenglish.de/vocabulary/shopping.htm

Shopping conversation between female customer and sales clerk:

http://www.ego4u.com/en/cram-up/vocabulary/shopping/exercises

Things you buy and where you buy them:

https://docs.google.com/a/canada-english.com/document/d/1jGCIrnQMzKFuJ9Pzg7EsOepV8XFXahosexdqSZN6gkY/edit