If the water goes on being polluted, we will have no fresh water to use.Therefore,we have to protect the water source as well as save it .Do you know that a dripping faucet can waste 500[r]
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If the water goes on being polluted, we will have no fresh water to use.Therefore,we have to protect the water source as well as save it .Do you know that a dripping faucet can waste 500[r]
Ngày đăng: 09/11/2021, 17:51
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