◎ 题干
- Has John finished his homework yet?
- No, not yet. He _____________ it.
[     ]
A. does
B. did
C. has done
D. is doing
◎ 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“- Has John finished his homework yet?- No, not yet. He _____________ it.[ ]A. doesB. did C. has doneD. is doing…”主要考查了你对  【现在进行时】  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。