根据下列句子及所给首字母或汉语注解，写出空缺处各单词的正确形式。（每空只写一个单词）
To my ______(吃惊), I found her lying to me.                 
The children were lying on their ________(肚子).         
They’re planning a grand ____(庆祝活动)on Teacher’s Day.  
After his ____(解释),I came to know why he was late for class.
_________(幸运),the children began to understand him.      
Germany, France , England and so on are ___(欧洲)countries.      
The car was not _______(破坏)badly in the accident.         
Our company is the biggest user of _________(电) in this area .
Our teacher has ____(组织)a class trip to the West Lake.        
After the ______( 治疗 ), he felt better.