Nowadays people can’t 13 ______ their kitchen without a refrigerator. The first refrigerators appeared at the end of the 18th century. They looked different: they were just iceboxes. The refrigerators of the past were just 14 ______ boxes, sometimes lined inside with metal. People put ice into the box and then placed the food inside to 15 ______ it cool. The refrigerator, 16 ______ to the one that we have now, was produced by General Electric in 1911, in France. It was very 17 ______. In those days, with the same money you could 18 ______ two cars. Today, in developed countries almost every family has enough money to buy a refrigerator for their kitchen. It’s hard to imagine how difficult and uncomfortable our lives would be without a refrigerator.