e-mial不用像写书信那么正式,如果你是写信给你旅游时遇到的外国朋友,大概可以这么写 Dear XX(名字)：How are you?It is very happy to meet you.Sorry my english is not very good,so it is a little late for me to reply your e-mail.认识你非常高兴.非常抱歉我的英语不是很好,所以回信晚了点.） I come from An'hui provience in China.Last time I just with my family went to Qingdao for travelling.And we only stayed there for 3 days.Did you go to there for travelling too?（我来自中国安徽.上次我和我的家人只是在青岛旅游.我们只停留了三天.你们也是去旅游的吗?） Qingdao is a very beautiful city.The air is fresh.And I like the sea there very much.^_^（青岛是个很美丽的城市,空气很清新.我非常喜欢那里的海.） Do you have a good time/enjoy yourself in Qingdao?Hope to hear from you soon.And wsih you happy everyday.（你们在青岛玩得开心吗?期待你的回信.祝你每天都快乐.） Your sincerely XX(你的名字)