假如你是李华, 你的笔友马克(Mark)将要来你家做客, 向你寻问如何在中国举止得当。请根据下面的提示, 给马克写一封80—100词的回信。1. 见面礼仪;2. 餐桌礼仪;3. 外出礼仪。

Dear Mark, 

I am glad to hear that you are coming to China soon. I'd like to give you some suggestions on how to behave properly in China.

When you come to my house, 

When you are eating with us, 

Before you go outside, 

A safe trip to you and I hope to meet you soon!

Best wishes!

Li Hua