Ответ:

  1. I was really frightened by his strange appearance.
  2. The character’s story is very moving.
  3. She looked surprised when she saw the old photo.
  4. The film about the hero was exciting.
  5. He felt depressed after reading the sad ending.
  6. The description of the monster was shocking.
  7. We were saddened to hear that the main character died.
  8. The way he described his childhood was very interesting.

Окончание -ed описывает состояние или чувство человека, а -ing — качество предмета, ситуации или действия.