第17题: [单项选择]The Democratic Party, the most oldest existing political party in the United States, has played a vital role in the nation’s history.
参考答案:A 答案解析:答案:A
分析:此题考形容词比较级。某些单音节形容词的比较级会用more和most修饰,如glad、shy等,但此处oldest已经是old 的最高级形式,因此去掉most。
改正:most ol