Today, supermarkets are found in almost every large city in the world. But the first supermarket........opened only fifty years ago

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Today, supermarkets are found in almost every large city in the world. But the first supermarket
opened only fifty years ago. It was opened in New York by a man named Michael Cullen.
_other types of stores in several ways. In supermarkets,
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
(26)_
A supermarket is different (27)_
goods are placed on open shelves. The (28)_
are displayed is another difference between supermarkets and many other types of stores; (29)_
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 (30)_
_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.
26. А. is
27. A. in
28. A. customers
C. was
C. of
C. assistants
С. of
C. which
B. has been
B. from
D. were
D. with
D. sellers
29. А. in
30. A. who
B. managers
B. for
B. what
D. by
D. whom