use the correct form of the word given in each sentence

26. energy-saving bulbs make ........ use of elactricity ( efficiency)

27. the most .................. earthquake in Japanese history occurred in 1923 ( disaster)

28. For many employees,job ....... is more important than making money. ( satisfy)

29. people fled from the earthquake area in ..... ( terrify)

30. Pompeii was completely destroyed in A.D.79 by an ...... of Mount Vesuvius (erupt) 

giải chi tiết tại sao làm vậy với ạ T^T . thanks