In the past 30 years, no human being____ foot on another world.
[ ]
A. has set B. had set C. set D. sets
◎ 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“In the past 30 years, no human being____ foot on another world.[ ]A. has set B. had set C. set D. sets…”主要考查了你对 【过去完成时】 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“In the past 30 years, no human being____ foot on another world.[ ]A. has set B. had set C. set D. sets”考查相似的试题有: