Ответ:

  1. True.
  2. False. When Mr Wonka opened the doors, the guests saw a magnificent valley with a chocolate river and waterfall.
  3. False. The pipes were above the waterfall, going down into the river from high up in the ceiling.
  4. False. The huge pipes were sucking up the brownish, muddy-looking chocolate.
  5. False. Trees, flowers and grass were growing along the riverbanks.
  6. True.
  7. True.
  8. False. Suddenly everybody saw some small men, the Oompa-Loompas, across the river.