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  • 写出下列句子的单复数形式。

    1. This is a towel.
    ___________________________________________________
    2. These are peas.
    ___________________________________________________
    3. These are onions.
    ___________________________________________________
    4. These are carrots.
    ___________________________________________________

    【考点】指示代词,单数名词,复数名词,不定冠词(a,an),系动词
    【分析】请登陆后查看
    【解答】请登陆后查看
    难度:中等
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