◎ 题干
This is the first time that I_____ to give a lecture to so large a audience till now.

[      ]

A. am invited
B. have invited
C. have been invited
D. will be invited
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“This is the first time that I_____ to give a lecture to so large a audience till now. [ ]A. am invited B. have invited C. have been invited D. will be invit…”主要考查了你对  【现在完成时的被动语态】  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。