单项选择题 Effective speakers adjust their voices（）the larger audience and work（）avoiding distracting physical mannerism and verbal habits.

单项选择题 You will take a big step toward overcoming stage fright if you think（）, choose speech topics you really care about, prepare thoroughly, and concentrate on communicating with your audience.

单项选择题 Your speech class will give you an opportunity to gain confidence and make your nervousness work for you（）against you.