英语 词汇题 标准 非谓语动词 — 英语词汇题 大学英语(综合教程) 语法结构 AI 三重审校通过 题目 Choose the correct form to complete the sentence: The samples ___ by the technician yesterday are ready for testing. A. examining B. examined C. to examine D. having examined 登录后查看答案与解析 用此考点生成试卷 更多英语词汇题