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Dear John,

I'm Li Hua, an exchange student who studied in your school for six months 3 years ago.

I'm very grateful for your generosity when studying in the U£®S. At first, I had much trouble in communicating with local students.How I wished that 1._____________ (ÎÒÄÜ×ÔÓɵرí´ï×ÔÎÒ)£®