80 Shopping habits in the United States have changed greatly in the last quarter of the 20th century.【C1】______in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was【C2】______on both sides with【C3】______businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing,furniture, hardware, groceries.【C4】______some shops offered【C5】______These shops included drugstores, restaurants, shoe-repair stores, and barber or hairdressing shops. 【C6】______in the 1950s,a change bagan to【C7】______Too many automobiles had crowded into Main Street【C8】______too few parking places were【C9】______shoppers. Because the streets were crowded, merchants began to look with intrerst at the open spaces【C10】______the city limits. Open space is what their car-driving customers needed. And open space is what they got【C11】______the first shopping centre was built. Shopping centres, or rather malls, 【C12】______as a collection of small new stores【C13】______crowded city centers. 【C14】______by hundreds of free parking space . customers were drawn away from【C15】______areas to outlying malls. And the growing【C16】_________of shopping centers led【C17】______to the building of bigger and better stocked stores.【C18】______the late 1970s, many shopping malls had almost developed into small cities themselves. In addition to providing the【C19】______of one stop shopping, malls were transformed into landscaped parks,【C20】______benches, fountains, and outdoor entertainment.

81 【C1】

（A）Earliest

（B）Early

（C）Early as

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（D）Earlier

82 【C2】

（A）built

（B）constructed

（C）intended

（D）lined

83 【C3】

（A）varied

（B）various

（C）sorted

（D）mixed

84 【C4】

（A）Apart from

（B）However

（C）In addition

（D）As well

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85 【C5】

（A）medical care

（B）food

（C）cosmetics

（D）services

86 【C6】

（A）Since

（B）For

（C）Because

（D）But

87 【C7】

（A）be taking place

（B）take place

（C）be taken place

（D）have taken place

88 【C8】

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（A）while （B）yet

（C）though

（D）and then

89 【C9】

（A）available for

（B）available to

（C）used by

（D）ready for

90 【C10】

（A）over

（B）from

（C）out of

（D）outside

91 【C11】

（A）when

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