请先阅读下面短文，掌握其大意，然后根据短文内容从下面方框内的七个选项中，选择五个还原到文中，使短文意思通顺、结构完整。

You have been thinking about it all week. It kept you awake last night. Now, as you walk to the front of the class, your throat is dry and your stomach feels funny. 81. __________________________                      However, by making a few small preparations and rehearsing (预演) carefully, you too can be a public speaking star.
82. __________________________ Being excited about your topic is necessary for all the good speeches, so it's important to choose carefully. If you enjoy your topic, your audience (观众) will, too. Even if you are given a topic, try to find something about it that is exciting or funny.
Next, do some research. Don't just research your topic. 83. _________________________  If you can, study video of a great speaker to see how they move, speak, and pause (停顿). Copying their style will help you to write a great speech.
After researching, it's time to write your speech. During this stage, think of your audience all the time. 84. __________________________ It helps you relax if you know that your audience is enjoying your speech.
Finally, rehearse. You really need to rehearse a lot. Measure your speech with a watch, and practice in front of a mirror (镜子). 85. __________________________ If you have followed all these steps, you should be ready for your audience. Good luck!

A．You are a very successful speaker． B．Research some great speakers as well． C．Entertaining your audience is important． D．Start by choosing a topic that you are interested in． E．Research is very important for writing a great speech． F．Many students find it difficult to give a public speech． G．You can check your hand movement and facial expression．