一、听录音，用阿拉伯数字写出各个任务所安排的人数。

1.One boy and one girl clean the blackboard.

2. Four girls clean the desks.

3. Three boys clean the chairs.

4. Four boys and two girls clean the windows.

5.Two boys sweep the floor.

6. Two girls and one boy put away the books.

二、听短文,按所听顺序用1—5给下列句子排序。

Let's make a plan for cleaning our classroom. First, we should put books and school things away.Then clean the blackboard. Next, we can sweep the floor. Then we can clean windows, desks and chairs. At last, we put desks and chairs away.