◎ 题干
看例句,填空。

What's this?
1. It's a             .
2. It's a             .
3. It's              eraser.
4. It's                         .
5. It's                         .
6. It's                         .
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“看例句,填空。What's this?1. It's a .2. It's a .3. It's eraser.4. It's .5. It's .6. It's .…”主要考查了你对  【单数名词】【不定冠词(a,an)】  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。