◎ 题干
— What _____ to the little baby a moment ago?
— He fell off the bed.

[     ]

A. happens
B. happened
C. was happened
D. is happening
◎ 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“— What _____to the little baby a moment ago? — He fell off the bed. [ ]A. happens B. happened C. was happened D. is happening …”主要考查了你对  【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。