问题补充:
—Guess what ! I have got A for my term paper .
—Great ! You read widely and put a lot of work into it .
A. should
B. should have
C. must
D. must have
答案:
A. should
B. should have
C. must
(答案→)D. must have
解析:考查情态动词, must have done 表是对过去事情肯定的推测,句意:猜怎么了?我在这学期的考试中得了A,太棒了!你一定大量的阅读为考试投入了大量的工作,故选D。