◎ 题干
David was born _____.

[     ]

A. since twenty years ago
B. for twenty years
C. twenty years ago
D. just over twenty years
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“David was born _____. [ ]A. since twenty years ago B. for twenty years C. twenty years ago D. just over twenty years …”主要考查了你对  【时间副词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。