would/ an eco-friendly field trip/ we/ Phong Nha Cave/ money,/ to/ If/ we/ enough/ had/ go on/
Giải thích
Đáp án: If we had enough money, we would go on an eco-friendly field trip to Phong Nha Cave.
Đáp án: If we had enough money, we would go on an eco-friendly field trip to Phong Nha Cave.