He suggested that we should the instruction.A. simpleB. simplifyC. simplyD. simplified

问题补充：

He suggested that we should the instruction.

A. simple

B. simplify

C. simply

D. simplified

答案：

A. simple

(答案→)B. simplify

C. simply

D. simplified

解析：句意：他建议我们简化课程。Simple简单的 simplify简化simply简单地 simplified 简化。Suggest表示建议，后面的宾语从句用should + 动词原形，should可以被省略的虚拟语气，选B。