十万火急，翻译句子！

I used to be an English emcee in the communitation evening party between our school and Hongkong.

不过你这里的“我校和香港”意思不明。是你们学校对香港（官方），还是你们学校对香港学校，抑或两地学校的交换生？不同的情况说法不同的。

i used to be the English host in the soiree between Honkong and our school

I act as English anchorperson once on our university and the Hong Kong exchange party

I have undertook the role of English hostess at the communication evening between our school and an Hongkong invited.

i am English Moderator in my school with hongkong exchange evening meeting