【题目】The thief was caught because the alarm when he was stealing money from the shop.
A. went on B. went off
C. went away D. went out
在线课程【答案】B
【解析】考查动词短语辨析。句意:小偷被抓了,因为他正在商店偷钱时,警报器响了。go on "继续";go off "(警报器)发出响声";go away "离开";go out "出去"。根据句意可知,应选B项。