感谢信Dear Lily,I am writing to thank you for those wonderful days in Shanghai. You gave me a very （1）________ ________ （热情的欢迎）and I felt at home. I'm （2）________ (感恩）to you for the time and effort you put to ensure my trip （3）and（完满成功）. The visits to the Shanghai Expo and the Oriental Pearl TV Tower were (4)________ （让人难以忘怀）. I will always remember this trip.Thank you once again for your (5)________ (好意）.Sincerely yours,Mary Smith