按所听内容选择正确答案。
（1）A. Five three. B. Three. C. Eight.
（2）A. Nineteen. B. Twenty-six. C. Twenty-eight.
（3）A. About five . B. About fifty. C. At nine, I think.
（4）A. I'm hungry. B. Let's go home. C. She's in the bedroom.
（5）A. Here you are. B. No, it isn't. C. Yes, it's his pen.