请教一个语法成分的问题Last night,I witnessed the first of only eight pe
请教一个语法成分的问题 Last night,I witnessed the first of only eight performances of Giacomo Puccini’s world-famous opera,Turandot,being performed in the Forbidden City in Beijing,China. being performed in the Forbidden City in Beijing,China.在句子中是定语还是宾语补足语?需要确切的理由~