Раскройте скобки, употребляя глаголы в Past Simple или Past Continuous. 19. We (to listen) to an interesting lecture yesterday. 20. When I (to enter) the classroom, the teacher (to write) words on the blackboard and the pupils (to copy) them into their exercise-books.
We were listening to an interesting lecture yesterday. When I entered the classroom, the teacher was writing words on the blackboard and the pupils were copying them into their exercise-books.