感谢信1
结构要点:
感谢信是就某事向收信人表示感谢的信件，分为三个部分：
1.指出对方帮助自己的事情，表示感谢;
2.展开叙述这件事;
3.再次感谢，并可表示希望回报对方。
Directions
Suppose you were taken good care of by Doctor Liu when you were in hospital. Write a letter in about 100 words to him to show your gratitude. Do not sign your own name at the end of your letter, using Li Ming instead.
Sample:
Dear Doctor Liu,
It is a great pleasure to extend my sincere thanks to you for your careful treatmen
