升级培训文案英语作文

Dear Allen I wish to express my thanks to you , espically when i hear that you will invite me to take a speech for your classmate.it's my pleasure to accept this invation.I hope this letter finds you well.it is well-know that China has abundant varety precious cultures.Would you be so kind to let me know some infomations like the letcure's holding place and the opening time with some imformations on the above details.Your kindly reply will be highly appreciatedsincerely yours