Dear (composition)

I ‘am LiHua, I am now writing the E-mail to you because I want to ask you some questions.
In July, I will attend a summer Chinese-English speech contest in Beijing. The speech contest is most important for me. I am very anxious. I meet some questions. Firstly, I am speak English affluently .Secondly, I don’t have a nice beautiful theme of speech contest. Lastly, The speech contest material was being collected very hard by me.I wish you can tell me some available tips .
Looking forward to you early reply.