听录音，根据所听句子，选择正确的应答。
(     )1. A. Yes, it is.      
(     )2. A. He's Mike.        
(     )3. A. Yes, he is.      
(     )4. A. It's five o'clock.		 B. It's a knife.    
B. Yes, he is.      
B. Yes, she is.      
B. Let's go home now.		 C. It's a clock.        
C. No, he isn't.        
C. Yes, it is.          
C. It's time to go home.                             
1. A  2. A  3. B  4. A
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