When I arrived at the meeting,the first speaker __

题目

When I arrived at the meeting,the first speaker __
and the audience__.为什么选had finished speaking,were clapping

答案

因为finish speaking 先于arrived 发生, 指过去的过去, 得用过去完成时
我到会场的时候, 第一位发言的人已经讲完了, 听众都在鼓掌