2017-04-13 来源:湖北成人高考网 阅读:次
【要学历,上湖北成人高考网】
You _____ to the meeting to discuss the matter if you were really serious about your work.
A. ought to come
B. ought to have come
C. must come
D. must have come
[答案]B
【精析】本句的意思是:如果你真的对工作认真负责,你就该来参加会议讨论这个问题了。情态动词题:条件从句使用了过去时,主句显然在谈过去应该做但没有做到的事情。