◎ 题干
—Will you answer the telephone? It             be your mother
—Sorry, I             . I'm busy

[     ]

A.can ; mustn't
B.will ; can't
C.may ; can't
D.need ; will
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Will you answer the telephone? It be your mother —Sorry, I. I'm busy [ ]A.can ; mustn't B.will ; can't C.may ; can't D.need ; will …”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。