Nguyễn Khánh Duy
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2025-12-18 19:55:34
1.It was hard to go outside during the heatwave last week.
2.Air pollution in big cities can lead to serious health problems.
2025-12-18 19:54:27
1.Unless this store sells emergency kits, I’ll check the other one.
2.If you throw trash into the river, it will become more polluted.
3.The factory is dumping waste into this lake, which causes the lake to be polluted.