Ответ:

  1. My nephew was (amusing / amused) by the clown.
  2. It's so (frustrating / frustrated)! No matter how much I study I can't seem to remember this vocabulary.
  3. This lesson is so (boring / bored)!
  4. I'm feeling (depressing / depressed), so I'm going to go home, eat some chocolate, and go to bed early with a good book.
  5. I thought her new idea was absolutely (fascinating / fascinated).
  6. This maths problem is so (confusing / confused). Can you help me?
  7. The teacher was really (amusing / amused) so the lesson passed quickly.
  8. The journey was (exhausting / exhausted) – twelve hours by bus!
  9. The plane began to move in a rather (alarming / alarmed) way.
  10. He was (frightened / frightening) when he saw the spider.
  11. I was really (embarrassed / embarrassing) when I fell over in the street.
  12. That film was so (depressing / depressed)! There was no happy ending for any of the characters.
  13. I'm sorry, I can't come tonight. I'm completely (exhausted / exhausting).
  14. We are going in a helicopter? How (exciting / excited)!
  15. Don't show my baby photos to people, Mum! It's so (embarrassing / embarrassed)!
  16. It's okay, it's only me. Don't be (alarmed / alarming).
  17. My sister is so (excited / exciting) because she is going on holiday tomorrow.
  18. I hate long flights. I'm always really (bored / boring).
  19. She looked very (confused / confusing) when I told her we had to change the plan.
  20. John was (fascinated / fascinating) by Mandarin when he first started learning languages. He decided to study more and now he can speak it fluently.