◎ 题干
 It is the usual ________  in our school that if you spoil any material,   you'll have to pay for it.
[      ]
A. order  
B. argument
C. opinion  
D. practice
◎ 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“It is the usual ________in our school that if you spoil any material, you'll have to pay for it. [ ]A. orderB. argumentC. opinionD. practice…”主要考查了你对  【名词】  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。