57. People like to buy goods of high q__________ and low price.　　

56. G__________ from York University this year, Sara got a degree in psychology.　　

55. Dead and i__________ people lay everywhere after the terrible accident.

54. I was d__________ to be a professional dancer, and practiced for hours every day.　　

53. I tried to p__________ him to give up smoking but I just failed.　　

52. The couple won’t go holiday together this time. In other words, they will go on s__________ holidays.　　

51. Smoking is not a good h__________. You should give it up as soon as possible.