VI. Give the correct word formation 23. He couldn't do the test well because it was 24. Tom spoiled my 25. I found his talk very... 26. People know that 80% 27. Doctors have just found out a new. 28. We are working for the. difficult. feeling by telling me the end of the film. ..... of the world is water. (terrible) (enjoy) (interest) (face) .for cancer (treat) of the environment. (preserve)