i am grateful for the opportunity to present...
i'd like to thank you for inviting/asking me/giving me the chance to...
good morning/afternoon/evening ladies and gentleman
it's my pleasant duty today to...
i've been asked to...

正式场合与非正式场合英语演讲开场白和结束语如何写？

i'm glad you could all get here...
i'm glad to see so many people here.
it's great to be back here.
hello again everybody. thank you for being on time/making the effort to come today.
【正式场合与非正式场合英语演讲开场白和结束语如何写？】welcome to x part ii.

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