根据下列句子及所给汉语注释，在答题卡指定区域的横线上写出空缺处各单词的正确形式，每空只写一词。
66. Could you please give me a detailed _________(描述) of your lost bike?
67. He said it ____________ ( 严肃) without even smiling.
68. In the last twenty years, there have been great ___________ ( 变化 ) in my hometown.
69.The word “restaurant” is often ____________ (发音) wrong.
70. With the development of our China, our life becomes better and better and our society becomes more and more ______________（和谐）
