听录音,选择正确的答语。
(_____) 1. A. They are theirs. B. It's mine. C. The dogs are eating.
(_____) 2. A. She's reading a book. B. I'm cooking dinner. C. He's playing football.
(_____) 3. A. Yes, they are. B. No, it isn't. C. Yes, it's his classroom.
(_____) 4. A. It's in the bathroom. B. It's jumping. C. It's mine.
(_____) 5. A. Of course! B. Sorry, I can. C. Yes, I can't.