Dear Xiao Hua, I am sorry to learn that you have the bad habit of smoking. Th

Dear Xiao Hua,

I am sorry to learn that you have the bad habit of smoking. Though    1．_____

we’ve been friends, I think that is my duty to call your attention   2．_____

to such a bad habit,  that may be harmful to your health and   3．_____

which you may spend much of your money. Yesterday a doctor  4．_____

gave us a lecture on the dangers of smoking. He said, “Tobacco has   5．_____

the element of nicotine which is great harm to human body. 6．_____

It causes coughing, bronchitis, pneumonia and any other diseases.”   7．_____

Dear friend, I sincerely hope you to stop smoking. When we meet    8．_____

this summer I’ll be very happy if you still hold a cigarette between 9．_____

your lips. Please you consider seriously what the doctors said.    10．_____

              Yours sincerely

                           Li Ming

1．Though 改为Since。此处是因为状语从句，不是让步状语从句。

2．that之后加it或that改为it。作形式主语只能用it。

3．that改为which。非限制性定语从句不能用that引导。

4．which 前加for。构成spend money for the habit结构。

5．正确。

6．is改为does。构成do harm to结构，但不能将harm改为harmful，因有形容词great修饰。

7．去掉any。此处不表示“任何其它疾病”意思。

8．to改为will。不能用hope sB．to do sth构成，但可接从句。

9．happy改为unhappy。逻辑错误，根据上下文意义，表示“不高兴”。

10．去掉you。不能使用please sB．do sth结构，只能用please do sth结构。