31. A. is B. has been C. was D. were
32. A. in B. from C. of D. with
33. A. customers B. managers C. assistants D. sellers
34. A. In B. For C. Of D. By
35.A. who B. what C. which D. whom
Today, supermarkets are found in almost every large city in the world. But the first supermarket (31)_____was ______ opened only fifty years ago. It was opened in New York by a man named Micheal Cullen. A supermarket is different (32) ___from _____ other types of stores in several ways. In supermarkets, goods are placed on open shelves. The (33) _____customers _____ choose what they want and take them to be 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 (34) ____For______ example, in supermarket, there is usually a display of small inexpensive items just in front of the checkout counter: candies, chocolates, magazines, cheap food and so on.
Most customers (35) _____who______ go to a supermarket buy goods from a shopping list. They know exactly what they need to buy. They do the shopping according to a plan.