The teacher demanded that the exam before eleven.
A. must finish
B. be finished
C. would be finished
D. must be finished
网友回答
A. must finish
(答案→)B. be finished
C. would be finished
D. must be finished
解析：句意：老师要求考试在11点前完成。主句中的谓语是demand的时候，宾语从句的谓语用虚拟语气，用should do，should可以省略，所以选B。