2017 NewCurriculum 第 19 题 单选题 区分题 2017_NewCurriculum卷 (英语) 19. Why should the students avoid mixing liquid with paper? A. It may cause a fire.B. It may create waste.C. It may produce pollution. 参考答案A ☆ 收藏不会,直接看解析查看原卷 →