◎ 题干
You promised me to go to the zoo on Sunday. You must keep ______, Mom.
A.a wordB.your wordC.your wordsD.the words
◎ 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“You promised me to go to the zoo on Sunday. You must keep ______, Mom.A.a wordB.your wordC.your wordsD.the words…”主要考查了你对  【序数词】  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。