in person；       celebrate；        turn down；        all alone； prepare for；      spend；       safe；        develop；      from time to time

61．With 　 　of modern science，our life is becoming more and more comfortable．

62． 　 　in the dark forest，Goldilocks suddenly found something shining．

63．Your shoes are so old．Why don't you buy a new pair？

Because I 　 　all my money on an MP5．

64．Will you ask for the job 　 　or by letter？This will influence the decision of the boss．

65．The students' 　 　at school is what we should pay more attention to．

66．I'm trying to sleep．Would you mind 　 　the music？

67． 　 　the World Book Day，the bookshop sold books at a lower price on April，23rd．

68．These days the students of Junior Grade 3 are very busy and hard﹣working，They 　 　the entrance exam．

69．My friend and I go to museums 　 　to learn what we can't get from textbooks．

70．In my opinion，his suggestion about going camping 　 　at tomorrow's meeting because of the high cost．