◎ 题干
We shall be landing at Hongqiao Airport shortly, please ______ your seat-belts.

[     ]

A. fasten
B. sharpen
C. weaken
D. strengthen
◎ 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“We shall be landing at Hongqiao Airport shortly, please ______ your seat-belts.[ ]A. fasten B. sharpen C. weaken D. strengthen …”主要考查了你对  【动词】  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。