◎ 题干
— Must I return the book by the end of next month? 
—           . You can keep it as long as you like.
[     ]
A. No, you mustn't
B. No, you can't
C. Yes, you have to
D. No, you needn't
◎ 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“—Must I return the book by the end of next month?— . You can keep it as long as you like. [ ]A. No, you mustn't B. No, you can'tC. Yes, you have to D. N…”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。