◎ 题干
----      your son        a computer?
------No.He        one this summer vacation.
A.Has; bought; will buyB.Did; buy; bought
C.Does; buy; boughtD.Does; buy; will buy
◎ 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“----your son a computer?------No.He one this summer vacation.A.Has; bought; will buyB.Did; buy; boughtC.Does; buy; boughtD.Does; buy; will buy…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。