Ответ:

1. People didn't use to live hundreds of years ago.

2. ...didn't use to use computers .....

3. .... used to have bigger families ....

4. ..... used to think Earth was flat .....

5. .... used to believe in ghosts and devils .....

6. .... used to look after animals  .....

7. .... didn't use to watch TV ....

8. .... used to wash their clothes by hand ....

Объяснение: