----- Nội dung dịch tự động từ ảnh ----- 1. Because the rain is so heavy, we come late. => If 2. He doesn't have a lot of money, so he doesn't buy his parents a house. => If 3. After she had had dinner, she went out with friends. - Before 4. Volunteers sent food and blankets to homeless people. → Food and blankets 5. Plant more trees or the air will be seriously polluted. => If