Make any necessary changes to the words to fit in the blank spaces that follow them.


Pleas explain grammar tips in brief.




29- Used, useful, usefully, usefulness





a) Kris bought a usefulness Land Rover to drive around the country.





b) I found a useful book in the attic about repairing electrical appliance.





c) The blank paper wasted in wrapping boxes can more usefully be a notebook.





d) Managing board doubts the used of importing raw materials.





30- Fail, fail, failure





a) Ed passed three exams, and fails only one.





b) His had never had a fail before.





c) His failure was so shocking to him that it took three months for him to recover.





31- Vary, various, variety, variation





a) Boiling point of a liquid may vary due to variation in air pressure.





b) For variety reasons, I doubt whether they are telling us the whole truth.





c) I don't like my job, because it lacks various.





32- Pity, pity, pitiable.





a) It is a pity that a well-educated person behaves so cheaply.





b) The young children who lost all their family members in war are to be pitiable.





c) A young reporter videotaped pity scenes of a dying soldier.