根据下列句子所给的汉语注释及句意，写出句子空缺处各单词的正确形式。每个空格限填一词。(共l0小题，每小题1分，满分10分)

71．They have offered me many__________．(建议)

72．Some of the information is worth_________ (复习)

73．一The powerful red_________(平衡)the calm white．

74．All the students must be treated__________．(平等)

75．He has_________(致力于)all his time to helping the poor。

76．Some colours can make us feel calm and_________．(安宁)

77．He couldn’t remember the_________(导演)name of the film．

78．I'll have my bad tooth_________ (拔出)out tomorrow．

79．That event marked the beginning of his successful_________．(生涯)

80．She began to learn to play the piano in her____________．(四十多岁)