感谢信 表达感激之情并说明原因 2. 详细说明赞赏对方给与的帮助 3. 再次阐明谢意并表达回报之情（比如邀请）

Vocabulary: V. __________________ n. _____________________ Adj.______________________

短语：因而感激sb _____________ 2. __________________ 3. ____________________ 4. ___________________ 5. ________________________

thank ,appreciate

thanks gratitude

thankful grateful appreciative

thank you for…

appreciate one's doing.

be grateful/thankful to sb. for

my thanks for…

express my thanks/gratitude for sth