__________ EXAMPLE, IN SUPERMARKETS, THERE IS USUALLY A DISPLAY OF SMALL INEXPENSIVE ITEMS JUST INFRONT OF THE CHECKOUT COUNTER

19)__________ 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

(Câu 20)__________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.