_________OPENED ONLY FIFTY YEARS AGO

16)_________opened only fifty years ago. It was opened in New York by a man named Michael Cullen.

A supermarket is different (Câu 17)___________other types of stores in several ways. In supermarkets,

goods are placed on open shelves. The(Câu 18)__________ choose what they want and take them to the

checkout counter. This means that fewer shop assistants are needed than in other stores. The way products

are displayed is another difference between supermarkets and many other types of stores; ( Câu