◎ 题干
用所给单词的适当形式填空。
1. What are people _____ (suppose) to do when they meet for the _____ (one) time?
2. We never visit a friend's house without _____ (call) first.
◎ 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“用所给单词的适当形式填空。1. What are people _____ (suppose) to do when they meet for the _____ (one) time? 2. We never visit a friend's house without _____ …”主要考查了你对  【序数词】【形容词】【动名词】  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。