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. (       )1. A. place (       )2. A. rides (       )3. A. for (       )4. A. stopping (       )5. A. lots of (       )6. A. danger (       )7. A. one (       )8. A. need (       )9. A. as (       )10. A. the other B. space B. drives B. on B. stop B. many B. dangerous B. ones B. needing B. by B. the another C. a room C. pushes C. in C. parking C. much C. safe C. seat C. needs C. for C. another D. seat D. pulls D. at D. park D. more D. safer D. seats D. needed D. in D. other