【题目】—I am worn out now. I stayed up last night to finish the report.
—Oh? You ______. The professor asked us to hand it in next week.
A. needn’t have B. wouldn’t have
C. couldn’t have D. can’t have
在线课程【答案】A
【考查方向】考查情态动词的用法。
【解析】句意：你本没必要这样做，教授要我们下周交的。needn’t have done表示本没必要做但是
做了。故选A。