急寻"英语讲座主持人开场白"

Ladies and Gentlemen , Good evening,
we are very happy to gather here to hold an English speech contest.
First of all, let me introduce our distinguished guests tonight:A,B,C.
And I would also like to take this opportunity to wish this English speech contest can make perfect success.
Now it's time for the players to have performance. For this English speech contest all the players have made careful preparations. So I'm sure we'll be able to enjoy many excellent performances tonight.