◎ 题干
—When should I hand in my paper?
—Your paper must ______ as soon as the bell ______.
[     ]
A. hand in; rings
B. hand in; will ring
C. be handed in; will ring
D. be handed in; rings
◎ 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“—When should I hand in my paper?—Your paper must ______ as soon as the bell ______. [ ]A. hand in; rings B. hand in; will ring C. be handed in; will ring…”主要考查了你对  【被动语态】【一般现在时】  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。