Question

what you your homework first

---What are you doing，dear？
---I'm watching the football game．
---What？You __________ your homework first．（　　）

A. would have done

B. must have done

C. may have done

D. should have done

Answer 1

答案：D． 由上下文的语境可知，应该先做作业，而事实上，他在看球赛，没有做作业． should have done表示"本应该做某事而没有做"，所以选择D．