◎ 题干
__________ her son for half a month, Marcia decided to leave for Texas with the hope of finding him.
A.Not heard fromB.Having not heard from
C.Not to hear fromD.Not having heard from
◎ 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“__________ her son for half a month, Marcia decided to leave for Texas with the hope of finding him.A.Not heard fromB.Having not heard fromC.Not to hear fromD.N…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  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。