问题 更新时间2023/4/3 12:59:00 The police officer used a megaphone.A.a portable radioB.a long stickC.an instrument to make one’s voice louderD.a telephone in the car 答案 登录 注册 an instrument to make one’s voice louder 出自:文才 >> 甘肃开放大学 英语阅读1