◎ 题干
—Can you go skateboarding with us, Toby?
—Sorry, I can't. I _____ take the piano lesson every Saturday morning.
[     ]
A. can
B. can't
C. have to
◎ 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“—Can you go skateboarding with us, Toby?—Sorry, I can't. I _____ take the piano lesson every Saturday morning.[ ]A. canB. can'tC. have to…”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。