◎ 题干
My sister has learnt English _________.
A.for twelve years ago
B.since she was four
C.twelve years ago
D.at the age of four
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“ My sister has learnt English _________.A.for twelve years agoB.since she was fourC.twelve years agoD.at the age of four…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。