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Question:They are using leaves __________ food.

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Question:If students recycle and use recycled materials, they will save _________.

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Question:We ___________ a survey to know more about recycling.

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Question: If we continue to deforest, our earth ___________ polluted.

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Question:If you turn _________ the lights when you don’t use it, you will save electricity.

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Question: You should put rubbish in the recycling ___________.

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Question: We will save the environment if we ___________ plastic.

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Question: We can find noise pollution __________ most cities.

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Question:Do you know what ___________ water pollution?

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Question: Let’s reduce the __________ of deforestation.

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Question:Why don’t we __________ old school objects for candies?

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Question:Charities raise money for people who are ___________ need.

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Question: Water is used to generate __________.

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Question: We are trying to __________ the president to the party.

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Question:They use ________ plastic bottles to keep water.