用现在完成时谢一篇英语作文,

Dear Li Liang
I am very happy to receive your letter.Now let me tell you something about my trip in Beijing.I have already climbed the Great Wall and seen Pingking Opera.I have visited the bird nest and Water Cube.I have taken lots of photos.When I return,I will show you my photos.They are really beautiful and wonderful.I met a group of foreigner when I visited the Great Wall.I have tallked with them in English and improved my oral English.I will visit the Summer Palace next day.Hope you'll have a good time,too.
Yours
Mei Ming