2024年4月山东自考《英语(一)》练习题10

The ____8 reason that cars are popular is the falt that the United States developed and efficient and inexpensive form of _____9 transportation.Long-distance trains have never been _____10 common in the United States as they are in other parts of the ______11.Nowadays there is a good system _____12 air-service providing planes.But it is _____13 expensive to be used frequently.The ____14 reason is the most important one，though.The American spirit of independence is what really made cars ______15.Americans don't like to wait ______16 a bus，or a _____17 or even a plane.They don't like to have _____18 follow an exact schedule.A car gives them the freedom to schedule their _____19 time.And this is the freedom that Americans want most to _____20.