84. Beethoven’s music was so beautiful that all of us lost o　　　　 in it.

83. After supper his grandparents often go for a walk a___________ this road.

82. Edison n________ gave up trying out his ideas no matter how hard it was.

81. In autumn the leaves of most trees turn y　　　　　 .

80. He does everything by himself __________ (虽然) he is only 15 years old..

79. We are moved by the__________ (节目) of “CCTV’s People Who Moved China in 2004”.

78. The newly-built Ruenyang Bridge is the ___________(三)biggest one in the world.

77. He made up his mind to do something 　　　　　(有用的)for the society in the future.

A. 根据句意和首字母或汉语提示写出单词。

76. The __________ (党) has done a lot to improve the life of the farmers in the past few years.