【题目】The suggestion the environmentalist made at the end of the meeting was that every citizen ____ responsibility for saving water
A. must take B. took
C. take D. would take
在线课程【答案】C
【解析】句意：这位环保专家在会议最后的建议是每位公民都应该承担节约用水的责任。本句中suggest表示“建议”，宾语从句要用虚拟语气should+do，should可以省略。故选C。