Many American families pride themselves （) their cooking, and have deep freezers, （)

Many American families pride themselves () their cooking, and have deep freezers, () they store foodthey grow in their gardens or buy in the supermarket. Supermarkets are large self service stores () every kind of food--fresh, canned or frozen. So, () the fast-food restaurant, their produce is less expensive andeasier () . There have been supermarkets in the USA since the 1930s, and they have now spread through a large part of the world.