王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 There are some police cars in front. What do you suppose _____? "A. is the matter B. is happened C. is the wrong D. the trouble is " 答案 登录 注册 A 出自:江开 >> 西安交通大学--英语三 西安交通大学继续教育学院