Unless ________ to speak,you should remain silent at the conference.
[ ]
A. invited B. inviting C. being invited D. having invited
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
根据n多题专家分析，试题“Unless ________ to speak,you should remain silent at the conference. [ ]A. invited B. inviting C. being invitedD. having invited…”主要考查了你对 【过去分词】 等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。
◎ 相似题
与“Unless ________ to speak,you should remain silent at the conference. [ ]A. invited B. inviting C. being invitedD. having invited”考查相似的试题有：
