Ответ:

  1. She thinks the lesson is boring.
  2. She’s frightened of the ghost train.
  3. He thinks maths is confusing.
  4. The music is relaxing.
  5. She is embarrassed that she wore her slippers to school.
  6. He is bored in the lesson.
  7. The letter is surprising.
  8. He is tired from the race.