◎ 题干
To help Tommy learn better, his parents have done           they could:cards,
tapes,special learning centers,in short, everything they can think of.
A both        B all        C none       D neither
◎ 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“ To help Tommy learn better, his parents have donethey could:cards, tapes,special learning centers,in short, everything they can think of. A both B all C none …”主要考查了你对  【人称代词】【物主代词】【it的用法】  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。