Cars are【21】important part of life in the United States. Without a car most people feel th

at they are poor. And even if a person is poor he doesn't feel really poor when he has a car.

Henry Ford was the man who first started making cars in large【22】He probably didn't know how much the car was going to【23】American culture. The car made the United States a nation on wheels. And it helped make the United States what it is today.

There are three main reasons the car【24】so popular in the United States. First of all, the country is a huge one and Americans like to move around in it. The car provides【25】comfortable and cheapest form. of all the means of transportation. With a car people can go to any place without spending a lot of money.

The second reason cars are popular is the fact that the United States has never really【26】an efficient and inexpensive form. of public transportation. Long-distance trains have never been as common in the United States as they are in other parts of the world. Nowadays there is a good system of air service【27】by planes. But it is too expensive to be used frequently.

The third reason is the most important one, though. The American spirit of independence is【28】really made cars popular. Americans don't like to wait for a bus, or a train or even a plane. They don't like to have to【29】an exact schedule. A car gives them the freedom to schedule their own time. And this is【30】that Americans want most to have.

(61)

A．the

B．an

C．a

D．not