(     ) 1. A. Good morning!    
            B. Good afternoon!        
(     ) 2. A. Who's that man?   
            B. Who's that woman?      
(     ) 3. A. I can see 11.      
            B. I have 11.            
(     ) 4. A. I like apples.      
            B. I don't like apples.  
(     ) 5. A. It's on the book.   
            B. It's in the bag.      
(     ) 6. A. I'm from China      
            B. I'm from Canada.