◎ 题干
Daniel’s father left home in 2001,and   ever since.
A.has not heard ofB.had not heard of
C.has not been heard of D.had not been heard of
◎ 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“Daniel’s father left home in 2001,andever since.A.has not heard ofB.had not heard ofC.has not been heard of D.had not been heard of…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  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。