◎ 题干
. --- I'm sorry. I ____________ the bike to you yesterday. But I was too busy at that time.
--- Never mind.
A.should returnB.should have returnedC.must returnD.may have returned
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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 ____________ the bike to you yesterday. But I was too busy at that time. --- Never mind.A.should returnB.should have returnedC.must retu…”主要考查了你对  【情态动词】  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。