六级练习2013.12.06 important, system, spirit, popular, provided

Rebecca949

The second reason cars are popular is the fact that (1)__________________________________. 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 provided by planes. (2)____________________________.　The third reason is the most important one, though. The American spirit of independence is what really made cars popular. Americans don't like to wait for a bus, or a train or even a plane. (3)___________________________. A car gives them the freedom to schedule their own time. And this is the freedom that Americans want most to have.

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susan.sui

the United States never really develope us an effecient and unexpensive form of public transportation.
but it's too expensive to be used frequently
they don't like to have to follow an exact schedule.

伊梦青依

the united states never really develop and effecial at any expensive form a public transportation