Sincetheyweretoldofthedisturbingnews,allthestaffinthec...

問題詳情：

 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

知識點：現在完成時及其被動式

題型：選擇題