Он медленно шел вдоль реки.На урока

Он медленно шел вдоль реки.На уроках мы часто поем песни.

Результаты (английский) 1:

He walked slowly along the river.
During the lessons, we often sing songs.

Результаты (английский) 2:

He walked slowly along the river.
In class, we often sing songs.

Результаты (английский) 3:

He walked slowly by the river.
We often sing in class.