73．Mary's clothes are out of s　　　　 and she doesn't like them any more．

72．The government must do something to stop the air p　　 ．

71．Walking on the moon seemed　　　 five hundred years ago．

B)根据句意和所给词首字母提示，完成句中所缺的单词。

70．　　　；He was not in the car when the accident happened．

69．There are many famous　　　　that will come true in a few years．

68．Helen wants to be a teacher after she graduates．Her parents agree with her　　　　 　 ．

67．Lenovo Group(联想集团)is now one of the largest computer 　　　in the world．

A)从方框中选出单词，用其适当形式填空。每空限填一词，每词限用一次。

decide　 possible　 fortunate　 predict　 dangerous　 company

66．If you are careless(粗心的)when you cross(横穿)the street，you may be in　　　　 　　 ．

Listen to the conversation and then fill in the chart(听对话，根据对话内容完成下列表格，对话听三遍)

答案：56．　　　　　　　　　 57．　　　　　　　　 58．　　　　　　　

59．　　　　　　　　　 60．