Look through the Grammar Reference and change the following sentences using used to do sth.
1. People didn't live for a long time because of bad diet, bad medical treatment, and bad living conditions.
2.Rural life did not attract people in the past. Today they enjoy living in lovely country houses.
3. By 1900 Britain was the world's strongest industrial country.
4. Since 1950 a lot of people have come to Britain from Africa, Asia and the Caribbean.
5. Britain's architecture has reflected its rich history. Today it reflects modern technologies.

1. People didn't use to live for a long time because of bad diet, bad medical treatment, and bad living conditions.2. Rural life used to attract people in the past. Today they enjoy living in lovely country houses.3. By 1900 Britain did not use to be the world's strongest industrial country.4. A lot of people  used to come to Britain from Africa, Asia and the Caribbean.5. Britain's architecture  used to reflect its rich history. Today it reflects modern technologies.