Dear Ryan,
I'm glad to hear you're coming to China. China is a country with a long history and rich culture(有着悠久的历史和丰富的文化).
The Mid-Autumn Festival is a traditional festival in China. On that day, family get together(团聚) and have a big dinner(吃一顿丰盛的晚餐). We eat moon cakes and enjoy the full moon. It's great.
There are many beautiful cities in China. Beijing is one of the best choices. It's the capital of(……的首都) China and it has many famous sights like the Great Wall, the Summer Palace and the Palace Museum.
After visiting Beijing, you can take a high-speed train(乘坐高铁) to visit other cities. And you can buy Chinese knots or chopsticks for your friends.
I hope my reply is of some help to(对……有帮助) you. I'm looking forward(盼望) to seeing you in China.
Yours,
Su Hua
本书信正文第一段是总领句,表达了对对方来中国的欢迎;
第二段介绍了在中国人们过中秋节的习俗;
第三段介绍了中国的首都北京以及其著名景点;
第四段推荐了来中国可以给朋友送的礼物;
最后一段表达了对对方来中国的期盼。
本题格式规范、用词准确、地道。文章层次分明、逻辑清晰。内容包含了来信中的所有问题的答案。