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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◎ 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 have helped…”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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