By the time the new pupil ___ enough courage to raise his hand, the bell__ for the end of the lesson
A．had gathered…was already ringing
B．was gathering…had already rung
C．gathered… had already rung
D．would gather… have rung
◎ 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“By the time the new pupil ___ enough courage to raise his hand, the bell__ for the end of the lessonA．had gathered…was already ringingB．was gathering…had already…”主要考查了你对 【一般现在时】，【将来进行时】，【过去完成进行时】，【过去将来时的被动语态】 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。
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