急求一篇英语作文.不少于60词 写回信

Dear Tony:
Thanks for your letter, I am in Beijing. Beijing is a city, the traffic is very rich, of course, the bus also has a lot of. To hear you say your grandpa will come to Beijing? I was so happy, very welcome your grandpa coming, I think Beijing is also how think. Beijing's bus lines many, every bus has a clerk, but not necessarily each salesman service attitude is very good, so, ask you to your grandpa said, please his apology. Looking forward to your letter!
2010.1.1
liu
翻译：
亲爱的托尼：
感谢你的来信,我现在在北京.北京是一个大城市,交通十分发达,当然,公交车也有很多.听你说你的爷爷要来北京?我实在是太高兴了,十分欢迎你爷爷的到来,我想北京也是怎么想的.北京的公交车线路很多,每个公交车上都有售货员,但不一定是每个售货员的服务态度都很好,所以,请你对你的爷爷说,请他见谅.期待你的回信!
2010.1.1
刘京