◎ 题干
By the time she ____ to class, the teacher ____ already ____ teaching.

A. get, had, started
B. gets, had, started
C. got, has, started
D. got, had, started
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“By the time she ____ to class, the teacher ____ already ____ teaching. [ ]A. get, had, startedB. gets, had, started C. got, has, started D. got, had, starte…”主要考查了你对  【一般过去时】【过去完成时】  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。