王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 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 河北农业大学继续教育学院