◎ 题干
一Mary,you look confused.Have you made sense of the passage we are talking
about?
一Yes,I      another problem just now.  
A.have thought of B.was thinking of C.thought of D.had thought 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“一Mary,you look confused.Have you made sense of the passage we are talking about?一Yes,I another problem just now.A.have thought ofB.was thinking ofC.thought…”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。