在办公区域，可以随意谈笑大声说话，叫喊，乱丢乱碰物品。
参考答案：错
At assembly, our monitor made a speech, swearing to try our best to study well______ us students. [ ]
A. in memory of
B. on behalf of
C. in honor of
D. in favor of
结构域(structural domain)
