Ответ:

  1. T
  2. F — With Joshua’s glasses, people can change the strength of the lenses, so they do not need different pairs.
  3. F — Joshua Silver is working to provide 1 billion pairs of his glasses to people around the world.
  4. F — Kenneth spends a lot of time with his grandfather.
  5. F — Kenneth’s grandfather often got out of bed at night and walked around.
  6. T