Ответ:
1. Some time ago people used to travel on horseback but now they travel by car, by bus or by train.
2. Some time ago people used to wash things by hand but now they wash things in washing machines.
3. Some time ago people used to write letters but now they send emails.
4. Some time ago people used to write books by hand but now they print books.
5. Some time ago people used to read more books but now they watch a lot of televison.
6. Some time ago people used to have big families with a lot of children but now they have smaller families.
7. Some time ago people used to die early but now they live longer lives.
8. Some time ago people used to walk upstaris and downstairs but now they use lifts.
9. Some time ago people used to know not so much about our planet but now they know a lot about it.
10. Some time ago people used to dream about flying to the starts but now they do it.