◎ 题干
—Could you _________now?
—Sorry ,   I _________
[     ]
A. do the dishes; can't                  
B. do the dishes; couldn't
C. do the dishes; can                  
D. do the dishes; couldn'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“—Could you _____ now?—Sorry,I.[ ]A. do the dishes; can'tB. do the dish; couldn'tC. do the dishes; can D. do the dishes; couldn't…”主要考查了你对  【情态动词】【动词短语】  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。