Ⅱ．听对话，选择正确答案（5分）
6．Whose tapes are these?
A．Tom. B．Tom's. C．I don't know. D．Tim's.
7．Whose watch is it?
A．Daming's. B．Betty's. C．Yours. D．Mike's.
8．Is the eraser To m's?
A．Yes，it is. B．No，it isn't. C．Yes，it isn't. D．No，it is.
9．Who lost bike?
A．Frank. B．Alan. C．I don't know. D．Tom.
