听录音,选择正确的答语。
(____) 1. A. It's a pen. B. It's my pen.
(____) 2. A. A ruler. B. I'm in the classroom.
(____) 3. A. I have thirty books. B. There are thirty pupils.
(____) 4. A. Yes, she is. B. Yes, he is.
(____) 5. A. Nice to meet you, too. B. Fine, thank you.