◎ 题干
- Susan,would you like to go hiking with us this afternoon?
- I'd love to, but I ____ study for a test.
[     ]
A. may
B. have to
C. can
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“- Susan,would you like to go hiking with us this afternoon? - I'd love to, but I ____ study for a test. [ ]A. may B. have to C. can …”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。