3. good改为well。固定词组be good at, do well in意为“在……学得很好”。

2. 此行无错。

1. 删去1974前的in。时间状语是年、 月、 日的只需用一个介词； 但若是年、 月、 日、 时的， 则要用at six thirty, on the morning of May 4th, 2001。

10. took改为take。情态动词后应接动词原形。

Exercise 7

Dear Sir,

I’m glad to recommend (推荐) to you my friend Li Ming.

Li Ming was born on July 15, in 1974 in Beijing. 1. _______

He graduated from Xisi Primary School in 1986. 2. _______

When he was in the middle school, he did good in maths, 3. _______

physics and chemistry and fond of art. After graduating 4. _______

from No.4 High School, he entered into Beijing 5. _______

University study physics. After four years of hard 6. _______

work there, he went to the United States for farther7. _______

study. Because of his excellent work, he get a doctor’s 8. _______

degree in physics this year. He is now in good

health but would like to make contributions to our 9. _______

country. I should be most grateful if you would favorably

consider my recommendation.

Looking forward to receive your early reply.10. ______

Yours truly,

Wang Li

　　 答案及解析

9. It’s改为Its。同音词混淆错误。此处应为“它的本性”。

8. by改为with。介词错误。“用……工具”常用“with...”。

7. and(cry)改为but(cry)。can do nothing but意为“只得做”， 为习惯搭配。

6. 删去other。接上下文没有“另一个老人”。

5. said前加he。代词漏用错误。此句缺少主语， 并且要与上文him保持一致。

4. bag前加the。bag在此重复提到， 为特指。