II. Complete the sentences with the words/ phrases from the list. Make changes to the words where necessary.
( set up. metropolitan . go around . keep up with ， roundabout,  melting pot , atmosphere , shelter, packed . )
1. Some people believe that skyserapers are a of big cities
2. We have to ... more schools to meet the demand of the increasing numbers of children in the area
3. Ho Chi Minh City is like. .... of people from different areas
4. While visiting Da Nang, we... all the World Heritage Site nearby
5. The ... is a kind of circular junction, where traffic flows continuously around a central island
6. It is diflicult to ..... the rapid pace of change in big cities
7. The.... area includes the city itself, and the surrounding suburbs or other urban area 8. During the morning and evening rush hours. cities often become.....with people and vehicles.
9. Many people prefer to live in the countryside rather than in big cities because of it peaceful ....
10. Refugees and homeless people in the city need donated food to eat and a .....to sleep.