问题补充:
At the beginning of a speech, it is very important to grab the audience’s attention and make them interested in you have to say.
A. which
B. what
C. that
D. who
答案:
A. which
(答案→)B. what
C. that
D. who
解析:考查名词性从句。句意“在一次演讲的开始,吸引观众的注意力很重要,并让他们对你要说的产生兴趣。”in后跟的是宾语从句,从句缺少宾语,用what指“说”的内容。故选B。