听录音，选择正确的答句，将其序号填入题前括号里。
( ) 1. A. There are forty-five.
B. They're forty-five yuan.
C. It's forty-five yuan.
( ) 2. A. Size Five.
B. Five Size.
C. Five.
( ) 3. A. It's on the chair.
B. They are on the chair.
C. It's green.
( ) 4. A. It's here.
B. It's white.
C. It's cloudy.
( ) 5. A. It's John's.
B. They're John's.
C. It's John.
