Помогите пожалуйста
1
1 until 2 by the time 3 by the time 4 until 5 by the time
2
1F (Vasylii) 2C 3A 4G 5D (Dmitriy) 6B (Nadezhda) 7H 8E
3
1C 2A 3D 4A 5B 6C 7D 8A 9A 10D 11A 12C 13A 14D 15A