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.