1. If people cared much about environment, they wouldn't keep making it worse.
2. Since she drank contaminated water in a long time, she suffered from a serous disease
3. If the drainage system wasn't damaged, there would engough water for the crop
4. If i turn of more lights in the house, i will reduce my eyestrain.
5, If the transport system improves, more people will use it
Chúc bạn học tốt, hãy vote5*+CTRLHN+Cảm ơn :33
