----- Nội dung dịch tự động từ ảnh -----
1. We need to reduce our plastic waste; otherwise, we will threaten our own existence. (If)
2. Attend the class regularly, and you can pass the test easily. (I)
3. Don't drink that water, or you become ill. (If)
4. We take action now, or the deaths of aquatic plants and animals will increase. (If)
5. People get more diseases because the water is contaminated. (If)
6. Fishermen use much dynamite to catch fish, so the water is polluted. (If)
7. Emergency workers took flood victims to safe areas last night. (passive voice)