He ___________busy yesterday, or he __________you with your experiment.
A．was; had helped
B．was; would have helped
C．had been; would have helped
D．were; would have helped
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◎ 解析
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◎ 知识点
根据n多题专家分析，试题“ He ___________busy yesterday, or he __________you with your experiment.A．was; had helpedB．was; would have helpedC．had been; would have helpedD．were; would …”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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