Familiarity with the place where you are going to give a presentation will ()。

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Familiarity with the place where you are going to give a presentation will ()。

A.help to select appropriate topic for your speech

B.give you the opportunity to try out your visual aids

C.give you the opportunity to try out your voice

D.help to ease your mind

参考答案:

答案:give you the opportunity to try out your visual aids;give you the opportunity to try out your voice;help to ease your mind