◎ 题干
—What did Mr.Smith do before he came to China?
—He _______ in a car factory.
[     ]
A. worked
B. works
C. is working
D. will work
◎ 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 did Mr.Smith do before he came to China? —He_______ in a car factory. [ ]A. worked B. works C. is working D. will work …”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。