The railway system in Viet Nam was first built in 1899, when Viet Nam was still a French colony. The total (1)_______ of the railroad is over 3,000 km, with the main route being t
1. Rearrange the statements to make a complete conversation. The first and last statements have been completed for you.Sắp xếp lại các câu sau để thành đoạn hội thoại hoàn c