Помогите 96.1 Write at/on/in

3 at 4 on 5 in 6 in 7 on 8 on 9 at 10 at 11 at 12 in 13 on 14 on 15 at 16 at 17 at 18 in 2 on 3 at 4 in 5 in 11at 12 on 13 in 14 at 15 in 16 on