Ответ:

  1. They had become jealous because Mr Wonka was making wonderful sweets, and their own factories could not compete with his products.
  2. No, they could not make such wonderful things as Mr Wonka.
  3. People saw thin columns of white smoke coming from the tops of the factory’s tall chimneys.
  4. No one knew who was working in the factory.
  5. Charlie’s father brought home the news that Wonka’s factory would be opened to the last few lucky people.