◎ 题干
Mary didn't go to John's birthday party because she ______.

[     ]

A. wasn't invited
B. didn't invite
C. isn't 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“Mary didn't go to John's birthday party because she ______. [ ]A. wasn't invited B. didn't invite C. isn't invited …”主要考查了你对  【被动语态】【一般过去时】  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。