You have to just come back from the U.S. as a member of a Sino-America culture exchange program. Write a letter to your American colleague to
1）express your thanks for his/her warm reception，
2）Welcome him/her to visit China in due course.
You should write about 100 words on ANSWER SHEET 2
Do not sign your own name at the end of the letter. Use “Zhang Wei”instead.
Do not write your address.（10 points）
I should like this message to be taken as an expression of heartfelt gratitude of your warm reception during the time I was in America. I appreciate greatly what you have done.
Facing your generous assistance，I will never forget warm hospitality. First of all，with your patient explanation of culture difference，I gained abundant experience which would provide great support to my future career.Moreover，at the expense of your own time，you accompanied me to visit elite university around.Last but not least，the comfortable place you provided for me to stay overnight made a deep impression on me.
Thus，I really appreciate your dedicated help，and I am looking forward to your visit to China in due course in the future.
Finally，I feel most obliged to thank you once more.