Duringtheperiodofrecentterroristactivities,people 国语站 题库 6.39K 大中小设置文本大小 问题详情: During the period of recent terrorist activities, people ____ not to touch any unattended bag.A. had always been warned B. were always being warnedC. are always warning D. always warned 【回答】B知识点:过去进行时及其被动式题型:选择题 TAG标签:#