----- Nội dung dịch tự động từ ảnh ----- surface. Bài 12: Hoàn chinh các câu sau, sử dụng diêu kiện loại 2 1. What/ happen/ if/ water pollution/ stop? 2. We/ be/ happy/ if/ air pollution/ the world/ be/ a/ better place? 3. If/ there/ be/ no more pollution/ the world/ be/ a better place? 4. If/I/ be/ you/I/ take/ these bottles/ the bottle bank. 5. If/ people/ not really care/ the environment/ they/ not try/ save it. 6. The river/ not be/ so polluted/ if/ factories/ not dump/ waste/ it. 7. We/ be/ less worried/ if/ oil spills/ not have/ such destructive effects. 8. If/ we/ destroy/ the ozone layer/ what/ save/ us/ the UV rays? ULIKE