根据听到的句子,选择正确的答句。(10分) ( )(1)A. Let’s go to the zoo. B.By bus. C. All right. ( )(2)A. Yes , we are. B.OK . C. No , I’m not . ( )(3)A. Yes , it is. B.Yes, I can. C. That’s right . ( )(4)A. Yes , it is . B.No , I don’t . C. Yes , I am . ( )(5)A. Thank you . B.Yes, it’s David’s. C. No, it’s for the library.