◎ 题干
These days students in some schools ______ not to use mobile phones.
A.askB.askedC.are askedD.were asked
◎ 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“These days students in some schools ______ not to use mobile phones. A.askB.askedC.are askedD.were asked…”主要考查了你对  【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。