◎ 题干
After I _____ my homework, I went out to an aquarium.
[     ]
A. was doing
B. did
C. does
D. would do
◎ 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“After I _____ my homework, I went out to an aquarium.[ ] A. was doing B. did C. does D. would do …”主要考查了你对  【实义动词的过去式】【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。