Sincetheyweretoldofthedisturbingnews,allthestaffinthec...

问题详情：

 Since they were told of the disturbing news, all the staff in the company _________.

A. has cast down      B. has been cast down   C. was cast down  D. were cast down

【回答】

B

知识点：现在完成时及其被动式

题型：选择题