◎ 题干
Our teacher ____ in our school for 29 years and he ____ here when he was 23 years old.
A.has taught has comeB.taught , comes
C.taught , cameD.has taught, came
◎ 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“Our teacher ____ in our school for 29 years and he ____ here when he was 23 years old.A.has taught has comeB.taught , comesC.taught , cameD.has taught, came…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。