短文改错（满分10分）
文中共有10处语言错误，增加：在此处加一个漏字符号(∧)，并在其下面写出修改的词。删除：把多余的词用斜线(＼)划掉。修改：在错的词下划一横线，并在其下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；
2．只允许修改10处，多者（从11处起）不计分。
　　   I'm glad to recommend (推荐) you to my friend Li Ming. Li Ming was
born in July 15, 1974, in Beijing. He graduated from Xisi Primary School  in 1986.　　　　　　　　
When he was in the middle school, he did good in maths, physics and
chemistry and fond of art. After graduating from No. 4 High School, he
entered into Beijing University to study physics. After four year of hard work
there, he went to the United States for further study. Because of his
excellent work, he get a doctor's degree in physics in this year. He is
now in good health but would like to make contributions to our country．I
will be most gratefully if you consider my recommendation．
Looking forward to receive your early reply
　　　　　　　　　　　　　　　　　　　　                   Yours truly,
　　　　　　　　　　　　　　　　　　　　                   Wang Lin