◎ 题干
Residents ________ not to go out alone or to take part in any groups during the period of recent terrorist activities.
A.were always being warnedB.are always warning
C.always warnedD.had always been warned
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Residents ________ not to go out alone or to take part in any groups during the period of recent terrorist activities. A.were always being warnedB.are always wa…”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。