Как объяснить написание предлогов в предложениях: 1) we were surprised at the new school rules 2)sue couldn't see us because she was standing with her back to us 3)a backpack is a backpack because you carry it on your back 4)john was very tall and usually sat at the back of the classroom

joseska228    2   15.09.2019 20:40    0