?Read the article below about cars in America. ?Choose the correct word or phrase to fill each gap from A, B, C, or D. ?For each question 21--30, mark one letter (A, B, C, or D) on your Answer Sheet. Cars in America Before the 20th century the horse provided day to day transportation in the United States. Trains were used only for long-distance transportation. Today the car is the most popular means of transportation in all of the United States. It has completely (21) the horse as a means of everyday transportation. Americans use their car for (22) 90 percent of all personal (23) Most Americans are able to (24) cars. The average price of a (25) made car was, 650 in 1950, 740 in 1960 and up to, 750 (26) 1975. During this period American car manufacturers set about (27) their products and work efficiency. As a result, the yearly income of the (28) family increased from 1950 to 1975 (29) than the price of cars. For this reason, (30) a new car takes a smaller part of a family's total earnings today. (21)