◎ 题干
Miss Jones once _____ music at Bardon School for years and now is an actress.
[     ]
A. has taught
B. taught
C. had taught
D. teaches
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Miss Jones once _____ music at Bardon School for years and now is an actress. [ ]A. has taught B. taught C. had taught D. teaches …”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。