问题 更新时间2023/4/3 12:59:00 All the people at the conference are ______.Amathematic teachersBmathematics teachersCmathematics teacherDmathematic’s teachers 答案 登录 注册 正确答案:B 出自:奥鹏 >> 新疆广播电视大学-大学英语(一)