写一张明信片(英文)[以Betty的口吻，写Betty正在游览长城，写给Betty的奶奶〕

问题描述：

写一张明信片(英文)[以Betty的口吻，写Betty正在游览长城，写给Betty的奶奶〕

问题解答：

Dear Nanny：
Long time no see ! How are you ？
I am so happy to be here in the Great Wall,it's so nice and amazing and the best place that I have ever been to .Hope one day we can do this together.
Take care of yourself！

Yours
Betty
XX年XX月XX日

明信片要求简明扼要。