----- Nội dung dịch tự động từ ảnh ----- 1. Exercise 9: Find the mistakes. 2. If it will rain, we'll cancel the outdoor event. 3. If the will pick up litter, the park will be cleaner. 4. If we don't act now, the environment suffers. 5. If she recycles her paper, she won't save trees, it won't affect the air quality. 6. If the factory emits toxic gases, it won't affect the air quality. 7. If we reduce our water usage, we'll face water shortages. 8. If you turn off the tap while brushing your teeth, you won't save water. 9. If you use public transportation, you won't contribute to reducing traffic jam.