Our English teacher suggested we English as much as possible in class.A. must speakB. may

问题补充：

Our English teacher suggested we English as much as possible in class.

A. must speak

B. may speak

C. spoke

D. should speak

答案：

A. must speak

B. may speak

C. spoke

(答案→)D. should speak

解析：考查固定结构。Suggest当建议讲时，后面的宾语从句要用（should）+do的虚拟语气，should可省略。所以选D。