40.Just over 200 years ago,Kooris ____________________(占据人口的百分之百) (make)

39.Messages which ____________________(我们不知道的)are usually the most powerful. (aware)

38.Distant education is playing a more and more important role,_________________(使之成为可能) for people to be educated whatever they do. (it)

37.____________________(为自己准备)with a higher education, more and more people begin to have an advantage over others in the tight job market. (equip)

36.____________________(我决没有想到) he had failed in the exam. (occur)