听录音，选出合适的应答句。
(     ) 1. A. It's under the chair.
(     ) 2. A. I have an apple. 
(     ) 3. A. I can see thirteen.
(     ) 4. A. Yes, it is.		 B. It's black.
B. I can see five.
B. I have twelve.
B. No, it is.      		C. It's tall.
C. It's an apple.
C. It's tall.
C. It's an elephant.                                               
1-4  A  C  A  A
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