8．
根据短文内容和所给中文提示，在空白处写出正确的单词，每空一词。
Many people have cars in the city. But pollution is a problem because of the (交通). Nowadays some (中心的) cities around the world don't have cars. These car free zones(无车区) are areas (地区) for people, bicycles, and public transportation only.
(百万) of people live in the center of London and another two million go to work there every day. The downtown area is very (吵闹的) with hundreds of cars, buses and taxis, but there are (也) a lot of beautiful parks with free music concerts. At lunchtime, many people go there for a rest (在……后)they finish work.
Parts of Tokyo are always crowded with hundreds of people but no cars! These modern car- free zones are (真正地) popular and people like shopping there,
In the past, Bogota was polluted because there (有) lots of cars and traffic. Now the downtown area is a car-free zone and it is (干净的)! Many people don't have a car and half a million people the bus to work. There are lots of stores. It's not expensive to shop there.
