问题 更新时间2023/4/3 12:59:00 The United States is composed of fifty states,______ are separated from the others by land or water. A、 two of which B、 two of whom C、 two of them D、 two of those 答案 登录 注册 正确答案为:A 出自:石家庄铁道大学 >> 石家庄铁道大学大学英语1