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She is very ________ with money. (carelessly)

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This is one of ________ studies of the subject. (significance)

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All of it ________ useful. (be)

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Some people are too ________ (waste)

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We spent a ________ afternoon by the river. (peace)

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Reducing is using ________. (little)

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Reusing is ________ again. (use)

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________ neighborhood has three recycling bins. (I)

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The earth is in ________. (dangerous)

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I have a ________ schoolbag. (clothes)