----- Nội dung dịch tự động từ ảnh ----- 5. It's a good idea to recycle things and teach others how to do so. → We should 6. Naomi started collecting stamps two years ago. → Naomi has collected stamps for two years. 7. Because it rains heavily, Adam cannot have a picnic outside. (SO) 8. You should clean the lake. It's dirty. (BECAUSE)