the audience _____(excite)by the wonderful performance that night

问题描述:

the audience _____(excite)by the wonderful performance that night

注意“by” 因此该句应为被动式,被动的标志是“be动词+动词过去分词”,因此是be excited,又由于最后是LAST NIGHT,因此把be换成were,因为audience为复数.故答案是were excited.