◎ 题干

— Another cup of tea?
— No, thanks. I _____ be off. Gina is waiting for me.

[     ]

A. can
B. must
C. may
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— Another cup of tea? — No, thanks. I _____ be off. Gina is waiting for me. [ ]A. can B. must C. may …”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。