Use the correct forms of the word given in each sentence.
25. Mr. Graham Bell was a famous (invent) ______.
26. I usually spend all my free time with Tom. He is a (humor) ______ boy.
27. The lost shoe is the best (tradition) ______ story.
28. Be careful! (Electric) ______ can kill.
1 inventor
2 humorous
3 traditional
4 Electricity