Say the same using the passive voice. Example:The show a lot

1. In the early days of television few people bought television sets because they were expensive.
Television sets were bought by few people because they were expensive in the early days of television.
2. They soon developed new technologies and built a lot of TV stations.
New technologies were soon developed and a lot of TV stations were built.
3. The BBC World Service shows programmes in forty different languages as well as in English.
Programmes in different languages as well as in English are shown by the BBC World Service.
4. They publish TV programmes in the TV Times, a popular weekly magazine.
TV programmes are published in the TV Times, a popular weekly magazine.
5. Nowadays you can find television practically in every family.
Nowadays television can be found practically in every family.
6. They always devote a lot of programmes to спорт.
A lot of programmes are always devoted to спорт.
7. TV people will introduce new programmes in the near future.
New programmes will be introduced by TV people in the near future.