下面是你同学的一篇英文习作，请你帮助修改这篇作文．文中共有10处语言错误，每句中最多有两处，每处错误仅涉及一个单词的增加、删除或修改．增加：在缺词处加一个漏字符号（∧）

Question

下面是你同学的一篇英文习作，请你帮助修改这篇作文．文中共有10处语言错误，每句中最多有两处，每处错误仅涉及一个单词的增加、删除或修改．
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词．
删除：把多余的词用（\）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．每处错误及其修改仅限一次．
         2．只允许修改10处，多者（从第11处起）不计分．
Alibaba founder Jack Ma，his company has been valued at more than $ 221 billion of which Ma owned 6%，is put in the top position among China's wealthiest．But he stays outside the list of the world's 10 rich people．
Fought against a hard life，young Ma still managed to learn English well enough to gain a degree and became a teacher．Afterwards he started a translation agency in which took him to the US，where he introduced to the Internet．His fate was bound to change before he was accidentally appointed to take an American visitor Jerry Yang，a co-founder of Yahoo，in a tour of the Great Wall．The meeting obvious proved to be a turning point for all of them，promoting the birth of Alibaba and later cooperation with Jerry Yang．

Answer 1

Alibaba founder Jack Ma，his company has been valued at more than $ 221 billion of which Ma owned 6%，                                     whose          ...