问题补充：
---It is required that you change the plan.
---Oh, no! Why I follow you again?
A. must, must
B. can, need
C. need, should
D. should, must
答案：
A. must, must
B. can, need
C. need, should
(答案→)D. should, must
解析：情态动词题。第一空在表示要求意思的从句中谓语用should do形式；第二空must“偏偏、非要”句意：要求你改变计划。不，为什么我非要听你的建议？
