◎ 题干
Class regulations require ____ is the last to leave the Classroom ____ off all the lights.
[     ]
A. who; should turn
B. whomever; turn
C. whoever; turning
D. whoever; turn
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Class regulations require ____ is the last to leave the Classroom ____ off all the lights. [ ]A. who; should turnB. whomever; turn C. whoever; turning D.…”主要考查了你对  【宾语从句】【虚拟语气】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。