第20题: [填空题]Leonardo Di Caprio, one of the world’s most famous (act) ______, became a superstar after his wonderful performance in the movie Titanic in 1997. 参考答案:actors 答案解析:[解析] 本题考查词形变化。“one of the+形容词最高级+复数名词”表示“最……之一”,而迪卡普里奥的身份是世界最著名的男演员之一,所以本题用act的名词复数形式actors。 [触