◎ 题干
Susan decided not to work on the program at home because she didn’t’ want her parents to know what she __________.
A.has doneB.had doneC.was doingD.is doing
◎ 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“Susan decided not to work on the program at home because she didn’t’ want her parents to know what she __________.A.has doneB.had doneC.was doingD.is doing…”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。