Read and fill in: in, on or at. Помогите пожалуйста сделать упражнение 11.
1 at 2 at 3 at 4 in 5 in 6 at 7 in 8 in 9 at 10 at 11 at 12 in 13 in 14 at 15 at 16 in 17 on 18 in 19 on 20 at