假如你是李明，来自美国的交换生Martin在过去的一个月在你们学校学习生活。现在即将返回美国，请你根据以下内容用英语写一篇欢送词。
1.赞扬他是一位善良友好，乐于助人的男孩，而且篮球也打得很好；
2.非常怀念和他相处的快乐时光；
3.感谢他对大家的英语学习的帮助；
4.希望他再次有机会来到中国成都，到时一定陪他一起去游览成都的名胜古迹.
注意：1.词数120左右；2.可以适当增加细节，以使行文连贯；3.开头与结尾已为你写好，不计入总词数.
参考词汇：名胜古迹places of interest and historical sites
Dear teachers and friends，
    I'd like to say something before Martin goes back to the USA.
____________________________________________________________
    That's all.Thank you!

【考点】提纲作文；学习生活．

【答案】Dear teachers and friends，
I'd like to say something before Martin goes back to the USA.Martin is a very kind，helpful and friendly boy who is good at playing basketball.I feel happy to be his friend.He gets along well with everyone and all of us have a wonderful time with him.Whenever we have trouble learning English，he will never hesitate to help us and our English has been improved a lot since he came to our class.We owe a lot of thanks to Martin.
True friendship never ends，so I hope we can keep in touch with Martin.I also hope that Martin can come back to Chengdu，China.I promise that I will show him around our city and visit the places of interest and historical sites with him.
That's all.Thank you!