1. (2023七下·宁波期中) 根据对话内容，用方框中所给单词的适当形式填空，每词限用一次。

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The umbrella is very common. It the rain and the sun off the people. Most umbrellas can be folded up so it is to carry them. However, the umbrella has not always been as common as it is now. In the past, it was a of importance. Some African still use umbrellas in this place. Some carries an umbrella and walks behind the kind or the boss.