听音,选择你所听到的句子 (1)A.I have six story-books. B.I have seven story-books. C.I have six notebooks. (2)A.I have a new blue ruler. B.I have a new red ruler. C.I have a new green ruler. (3)A.Let me clean the desk. B.Let me clean the windows. C.Let me clean the table. (4)A.My book is on the pencil-case. B.My book is under the pencil-case. C.My book is near the pencil-case.