IF THEY HAD BEEN CAREFUL WHEN WALKING IN CUC PHUONG NATIONAL PARK,...

30. - KIEM TRA NOI DUNG BAI 11 CLASS 10
Lớp 10 Tiếng Anh KIEM TRA NOI DUNG BAI 11 CLASS 10

30.If they had been careful when walking in Cuc Phuong National Park, they wouldn’t have got lost.