注意：下面出现的所有文件都必须保存在指定的文件夹下。
(1)打开工作簿文件EX03.XLS(内容如下)，将工作表sheet1的A1：D1单元格合并为一个单元格，内容居中，计算“增长比例”列的内容[增长比例=(07年销量-06年销量)/07年销量]，将工作表命名为“近两年销售情况表”。

动词填空。

1. My uncle with my grandparents ________ (live) in Beijing.

2. Is it time for us ________ (begin) our class?

3. We have fun ________ (swim) in the pool every summer.

4. Mary is clever and can ________ (speak) four languages.

5. I spend about half an hour ________ (chat) with my friends on the Internet.

6. ---Tom, __________(wash) the dishes after supper. 

   ---OK, Mum.

7. Your new friend __________ (sound) good. I want to make friends with him.

8. This pair of shoes________(not be) for Millie. They are for Sandy.

9. Everyone in Mr Wu's class ________ (not do) homework at school.

10. ________ his Chinese and English teachers ________ (come) from the same city?