听录音，选句子。
(     ) 1. A. How much is it?  
(     ) 2. A. I'll take two.    
(     ) 3. A. How about it?    
(     ) 4. A. Can I help you?   		B. How much is the stamp?    
B. I'll buy it.              
B. What about it?            
B. Anything else?            
1. B      2. A      3. B      4. B
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