Extremely___at the result of the game,the audience were silent for a moment.

问题描述:

Extremely___at the result of the game,the audience were silent for a moment.
请问用surprise何种形式…为什么?

extremely前面省略了主语the audience和be动词.
观众们对比赛的结果感到惊奇.
是被动形式.
所以用surprised.