---I called you last night, but nobody answered. ---Oh, I usually___off my cellphone by 9:00 p.m.
A．switched
B．have switched
C．switch
D．had switched
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◎ 解析
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◎ 知识点
根据n多题专家分析，试题“---I called you last night, but nobody answered.---Oh, I usually___off my cellphone by 9:00 p.m.A．switchedB．have switchedC．switchD．had switched…”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。
◎ 相似题
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