单项选择题
A.that B.which C.what D.when
he training is（）for every type of communication.A.value...
单项选择题he training is（）for every type of communication.
A.valueless B.invaluable C.worthless D.inworth
You（）a big step toward overcoming stage fright if you（）...
单项选择题You（）a big step toward overcoming stage fright if you（）positively
A.take；think B.will take；will think C.take；will think D.will take；think
The need for（）public speaking will almost certainly tou...
单项选择题The need for（）public speaking will almost certainly touch you sometime in your life.
A.efficient B.efficiently C.effetively D.effective
