74. Every now and then, we get the i_____ to travel..

73. Dr. King believed that he could a ______ his goal by peaceful actions ,not by violence.

72. Dr. King fought for p______ rights for black people in the USA..

71.At that time, black people were not t______ as equal citizens.

70．Some people are g______ for money and some for power. .

69．Although Sam left school more than ten years ago, he still keeps in touch with his f_____ classmates .　　　　

68．It is easier for a physical wound to heal than a m______ one.　　　　

67．There is a w______ belief among bioengineers that it will be one day be possible to create life under laboratory conditions. .　　　　　

66．It is very relaxing to take a d______ in the pool in summer.　　

65．There are many café, shops and restaurants on Copacabana’s main a________ .