Điền vào chỗ chấm Today,people all over the world are moving out of small villages in the country to go and live in big,noisy cities.This means that they are(66).................the peaceful hills,mountains,fields,rivers and streams of the countryside for the busy world of streets,buildings,trffic and crowds.This movement from(67)..............areas to urban areas has been going on for over two hundred years. In many(68)...............,the main reason people come to live in towns and cities is work.After one or two large factories have(69).................built in or near a town,people come to find work,and soon an industrial area begins to grow.There is usually a residential area nearby,where the factory workers can live.The families of these workers need schools,hospitals and shops.So more people(70).................to live in the area to provide these services-and so a city grows