1. Her favourite colour is orange. （对划线部分提问）
    ______ ______ favourite colour?
2. Is this a brown cat?（改为肯定句）
    ______ ______ a brown cat.
3. You like white. I like white, too. （合成一句话）
     We like ______ ______ colour.

A. Where    
B. Which    
C. How

A. What    
B. Where

A. What              
B. Where            
C. Who  

A. What        
B. Where    
C. Which

A. Who              
B. Whose              
C. What

A. Who    
B. What    
C. Where

A. What's              
B. What        
C. Which

A. Who        
B. Who’s        
C. Where