给你的笔友写一封信,介绍一下深圳,并欢迎他来深圳玩.（用英文!）深圳!

OK

Dear ×××
How are you?I'm your pen pal.Today,I write this letter for you and I will tell you something about Shen Zhen.Shen Zhen is beautiful and rish.In the past,It was a small place.But now,it gets richer and richer.There are many good place for you to travel,All of them are popular and fascinating.Welcome to Shen Zhen and have a look there.And you can live in my house,my family are friendly and kind.

your pen pal

Dear friends,
Do you want to visit Shenzhen?Shenzhen is a beautiful modern city.Every year it attracts many people from all over the world.In Shenzhen you can taste all kinds of delicious food . There are also many beautiful places.Happy Valley, Splendid China,China Folk Culture Village and Window of the World.
if you visit Shenzhen we will Welcome! Warm Welcome! Welcome heartily!
Good luck!
Your sincere,
Friends.

Dear...，
Thanks for your last letter, I'm glad you are going tu visti China now. So let me tell you about my home, Shenzhen.
（这里具体写深圳怎么样，可用“It's beautiful/good/happy to do...... , In shenzhen, you can see......等）
It will take you an exciting experience if you go to Shenzhen, I believe.
Yours,
.......