1. People don't care much about environment, so they keep making it worse.
=> If people....
2. She suffered from a serious disease because of drinking contaminated water in a long time.
=> Since...
3. The drainage system is damaged. There is not enough water for the crop.
=> If the drainage system...
4. "Why don't you turn off more lights in the house to reduce your eyestrain?"
=> If I...
5. The improvements of the public transport system will encourage more people to use it.
=> If...
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Sinh Học lớp 12
