单项选择题
A.worthless B.invaluable C.costless D.value
But even if you never give another speech in your life,...
单项选择题But even if you never give another speech in your life, you still have much to（）from studying public speaking.
A.gain B.grain C.train D.rain
The interaction of these seven elements is（）determines ...
单项选择题The interaction of these seven elements is（）determines the outcome in any instance of speech communication.
A.what B.that C.how D.which
Your speech class will give you an opportunity to gain ...
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.
A.more than B.other than C.less than D.rather than
