Topic sentence: Well, generally speaking, I admire most of my friends but the one I would like to introduce to you now is .......
or Well, talking about a friend I admire, I guess I have bunch of friends I admire, but the one I would like to introduce to you now is ...... (主题句的套用,可以在考场上给你十几秒的时间去思考下面要说的内容。)
2.----Body
Add some interesting details. You can imagine, but what you say should be logical.
3.----Example or short story
10-15 seconds. joke/funny/tragic/strange
4.----Conclusion
So anyway, all in all and before I finish I would like to say that, this is my best friend I really appreciate most, thank you.