◎ 题干
I’m sorry I _______ your lecture yesterday,  but I _____ busy recently.        
A missed, have been                   B miss, am        
C had missed,  was                   D have missed,  had been
◎ 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“ I’m sorry I _______ your lecture yesterday, but I _____ busy recently.A missed, have been B miss, amC had missed, was D have missed, had been…”主要考查了你对  【动词短语】【动词】  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。