王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 Some of the experiments ______ in the book are easy to perform.A. being described B. described C. to be described D. having been described 答案 登录 注册 B 出自:江开 >> 统招专升本-----英语 西安文理学院继续教育学院