按要求答题。
1. How do you like this bicycle？(改为同义句)      
    _____ _____ _____ _____ _____ this bicycle?    
2. Why not ask for help when you were in trouble？(改为同义句)      
    _____ ______ ______  for help when you were in trouble?    
3.Sometimes I go to work on foot. (改为同义句)    
    _____ _____  I _____ _____ work.    
4. Could you please turn off the light? (改为同义句)       
    _____ you _____  _____ off the light？    
5. "Don't talk loudly in the library, boys!" said the teacher. (改为间接引语)    
    ______ ______ asked the boys _____ _____ _____ loudly in the library.