◎ 题干
介词填空。
1. They are used _____ seeing in the dark.
2. They were invented _____ 1863.
3. George wanted _____ make the customer happy.
4. Potato chips were invented _____ a chef called George Crum.
5. He was boiling drinking water _____ an open fire.
6. Some leaves _____ a nearby bush fell _____ the water and remained there for some time.
7. This beverage was discovered _____ three thousand years before that.
◎ 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“介词填空。 1. They are used _____ seeing in the dark. 2. They were invented _____ 1863.3. George wanted _____ make the customer happy. 4. Potato chips wer…”主要考查了你对  【介词】  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。