Setdownyourpenswhenyouhearthebellrings, 国语站 题库 9.45K 大中小设置文字大小 问题详情:Set down your pens when you hear the bell rings, ____ you’ll be against the rules. A. and B. but C. so D. or【回答】D知识点:连词题型:选择题 TAG标签:#