【答案解析】[参考范文]
Dear aunt Anny,
I was delighted to learn that you will be married next month. This happy event in your life prompts me to reply at once, in my own peculiar way, to express my hearty congratulations and good wishes. It is really good news to all our family and your friends. And I feel very happy for you.
You are really very excited to face this wonderful event. I know this is what you have been longing for. It is a gift from God you richly deserve.
With your happiness, I am sure that you will be the most beautiful bride that day. I hope I will have the honor to go back to express my congratulations face to face. Again, please accept my sincere congratulations.
Best wishes.