◎ 题干

Mr.Morgan can be very sad__,though in public he is extremely cheerful.
A.by himself B.in personC.in private D.as individual
◎ 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“Mr.Morgancanbeverysad__,thoughinpublicheisextremelycheerful.A.byhimself B.inpersonC.inprivate D.asindividual…”主要考查了你对  【介词和介词短语】  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。