English Audio Request

(Dec 14th.2011<I went to the 'Beijing Normal University' and hearted a lecture by my old teacher.(Could you check it please?)>
• I went to the Beijing Normal University this afternoon today.
• Yesterday night, before I went to bed I sent an e-mail to my old teacher and old friend.
• I told them I just arrived at Beijing and also asked them if I can hear their lectures.
• Today I saw her reply at noon.
• She said she has two lectures today, and let me know her classrooms.
• So I hurriedly took a taxi at the front of the hotel, then I went to Beijing Normal University. It has been a really long time.
• When I arrived at a class room, she had already started the lecture.(/=The lecture was already began. )
• I felt sorry so I didn’t open the door, I just pushed a sheet of paper under the door.(=I just I pushed a piece of paper into the classroom through a crack under the door.)
• She opened the door and introduced me to her students, and then I heard her lecture with pleasure.
• It seems that her students came from many countries, about 5 more countries.
• I could discriminate them from four more countries such as Japan, Korean, Italy, Middle East, and other countries.
• After class finished, I went with the teacher in her car to a Chinese style tea house and we had a pleasant chat.
• I had such a good time. (= It was such a good time.)
• She suggested she would buy lunch for me tomorrow.
• I felt sorry(/bad), but I know it will be a so good time, so I will go to her house at noon tomorrow.
• I will upload the Chinese style tea house pictures next time./(=the pictures of Chinese style tea house)
* Thank you for reading. Correct my mistakes please! I know I made a lot of mistakes...*.*;