英语四级完形填空试题及答案解释
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 1 of transportation in all of the United States. It has completely 2 the horse as a means of everyday transportation. Americans use their car for 3 90 percent of all personal 4 .
Most Americans are able to 5 cars. The average price of a 6 made car was1,050 in 1950, 1, 740 in 1960 and up to 1