During the period of recent terrorist activities, people ____ not to touch any unattended bag.
A. had always been warned B. were always being warned
C. are always warning D. always warned
During the period of recent terrorist activities, people ____ not to touch any unattended bag.
A. had always been warned B. were always being warned
C. are always warning D. always warned
B
句意: 在最近恐怖活动期间, 人们总是在被警告不要碰任何无人照看的包。be always doing sth.总是做某事, 表达某种抱怨、不满或赞许的情绪。人们是“被警告”, 要用被动语态。