Read the text below and write only ONE word which best fits each gap.

Today, supermarkets are found in almost every large city in the world. But the first supermarket (1) ..... opened only fifty years ago. It was opened in New York by a man named Michael Cullen. A supermarket is different (2) ..... other types of stores in several ways. In supermarkets, goods are placed on open shelves. The (3) ..... choose what they want and take them to the checkout counter. This means that fewer shop assistants are needed than in other stores. The ways products are displayed is another difference between supermarkets and many other types of stores. For example, in supermarkets, there is usually a display of small inexpensive items just in front of the checkout counter: candies, chocolates, magazines, cheap foods and so on. Most customers (4) ..... go to supermarket to buy goods from a shopping list. They know exactly what they need to buy. They do the shopping according to a plan.

But the first supermarket (1) ..... opened only fifty years ago. It was opened in New York by a man named Michael Cullen.