听录音，从所给选项中选出你所听到的内容。
(     ) 1. A. read
(     ) 2. A. doing
(     ) 3. A. am, am
(     ) 4. A. is sing
(     ) 5. A. you are		 B. reads
B. do
B. is, are
B. are singing
B. I are		 C. reading
C. does
C. are, am
C. is singing
C. I am
1-5  A  A  B  C  C
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