1. This letter will be translated into Vietnamese.( bn lm đúng ròi nhe)
2. This house was bult over 40 years ago.( câu này cx thế nek)
3. He said that he had to go home then.(must/have to→had to, now→then)
4. I asked Lan if Phong Nha Cave was in Southern Vietnam.( câu hỏi yes/no thì ở câu gián tiếp mượn if+S+V(lùi thì))
*Chúc bạn học tốt!*
