阅读理解。 Small cars may take the place of (
题型：完形填空
问题：
| 阅读理解。 | ||||
| Small cars may take the place of (代替) big cars in the future (将来). There is 1 for only two people in such a car. If everyone 2 such a car, there will be less pollution 3 (污染) the air. There will also be more space for 4 cars in cities, and the streets will be less crowded. The little cars will cost 5 less. Driving will be 6 , too, as these little cars can go only 65 kilometres per hour. If big cars are still used along with the small 7 , two sets of road will be 8 in the future. Some roads will be used 9 the big, fast cars, and 10 roads will be needed for the slower small ones. | ||||
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