----- Nội dung dịch tự động từ ảnh ----- 12. If nuclear waste (throw) away, it (be) . very dangerous. ...... ..... 13. If the government (fine). . heavily to the factories, they (not dump)... sewage into the ocean. 14. I (be) . .afraid he (fall)... . unless he (be) .. .. careful. 15. If the weather (not/improve) .tomorrow, we (not/go) to the beach. .....
