When the exam is over you should hand in your exam papers finished or . A. somethingB. o

问题补充：

When the exam is over, you should hand in your exam papers, finished or .

A. something

B. otherwise

C. so

D. else

答案：

A. something

(答案→)B. otherwise

C. so

D. else

解析：句意: 考试结束时,无论你完成还是没完成,你都应该交上试卷。or otherwise为固定短语，意思为“或其他情况；或相反”。or so大约；or else否则；不然。