任务型阅读。
Our life has changed （改变） a lot. Eighteen years ago, there ____ only a few cars in the street. People went to work on foot, by bike or by bus. But now, you can see many cars running on the road.
Before, there were some houses. Now, you can see many tall buildings everywhere. Before, people could only buy things in some small shops. Now, they can shop on the Internet. Before, people ate at home. Now, many young people often eat in the restaurant.
My school has changed a lot, too. Before, there was only one small building in the school. There was no gym, no library, no computer room. But now, there is a beautiful playground, a big gym and clean classrooms. There ____ many books in the library. We have a music room, a computer room, an art room and so on.
So we should work harder and make our world better.
B. 
C. 
D. 
E. 
