假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下便条。便条中共有10处错误，每句中最多有两处。错误涉及一个单词的增加，删除或修改。

增加：在缺词处加一个漏词符号（ ^ ），并在其下面写出该加的词。

删除；把多余的词 用斜线（ \  ）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1每处错误及修改均仅限一词；

     2只允许修改10处，多者（从第11处起）不计分。

Before he was a teacher, Bob told me what he                                

would like to do a lawyer when he was at school.                                   

He had worked hard at his lesson and tried to                                        

enter into a famous university, but something unhappy                                 

happened to his family, that made it necessary for                                        

him to working for a living. As a young man, he had been                      

a bus-driver, a dustman and a salesman. But he spends                              

his spare time studying and finally became college teacher      .                   

"Young people," he often said, "are full with wishes                                

and hopes after they step into the society."                                          

1.what→that 

2.do改为be

3.lesson→lessons 

4.去掉into 

5.that→which 

6.working→work 

7.spends→spent 

8.在college前加a 

9.with→of 

10.after→before